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  • Why I Love Allulose And How It Can Support Weight Loss, Blood Sugar Control, and Better Metabolism by Sarah Curran

    If you’ve been following me for a while, you know I’m all about finding evidence-based ways to enjoy the foods you love while still working toward your health, fitness, or body composition goals. I’m not here for fad diets or “quick fixes,” but I am here for smart swaps that let you keep flavour and satisfaction without derailing your progress.

    One of my absolute favourites something I use all the time in my kitchen is allulose. It’s a rare sugar that tastes almost identical to normal sugar, but it behaves very differently in the body. In fact, I often use it in a one-for-one swap in recipes, and it works brilliantly for baking, cooking, and even adding to coffee. If I make a dessert with allulose, most people can’t tell the difference.

    But here’s the really exciting part: it’s not just a “diet hack” for cutting calories. The research on allulose shows some genuinely promising metabolic benefits from improving blood sugar control to enhancing fat burning, supporting appetite regulation, and even reducing body fat.

    Let’s dig into why this little-known sweetener is making waves in the nutrition science world, and how I personally use it as part of my approach to healthy eating and sustainable weight management.

    What Exactly Is Allulose?

    Allulose also called D-allulose or D-psicose is a naturally occurring rare sugar found in small amounts in foods like figs, raisins, and maple syrup. Chemically, it’s very similar to fructose, but your body doesn’t metabolise it in the same way.

    • Sweetness: About 70% as sweet as table sugar.
    • Calories: Around 0.4 kcal per gram basically negligible.
    • Absorption: Poorly absorbed in the small intestine and largely excreted in urine, so it doesn’t significantly contribute to blood sugar or calorie intake.

    The US FDA has granted it GRAS (Generally Recognized as Safe) status, which means it’s considered safe for use in foods and beverages. It’s becoming increasingly available, especially in countries where sugar reduction is a public health priority.

    Why I Use It

    For me, allulose is a game-changer for a few reasons:

    1. Taste and texture – It behaves like sugar in recipes. That means no strange aftertaste, no gritty texture, and it caramelises and browns like the real thing.
    2. Blood sugar control – I work with clients who are managing insulin resistance or aiming for better glucose control, and allulose is an easy swap that doesn’t spike blood sugar.
    3. Calorie savings without sacrifice – If you bake regularly or like sweet treats, those sugar calories add up. With allulose, you can cut those without losing the enjoyment factor.

    I’ve used it in dozens of recipes, and in like-for-like measurements, it’s been a perfect swap every time.

    The Science: Allulose and Weight Loss

    A randomized, double-blind, placebo-controlled trial in overweight and obese adults found that those who consumed allulose had:

    • Lower body fat percentage
    • Reduced abdominal fat
    • Greater reductions in body fat mass

    The effects appeared dose-dependent meaning higher amounts of allulose led to greater changes but without significant side effects.

    Animal studies have shown even more striking results, with allulose reducing weight gain and fat accumulation, improving insulin sensitivity, and normalising metabolic disturbances. What’s interesting is that these results happen even when calorie intake is matched to control groups suggesting allulose is doing more than just replacing sugar calories.

    How It Might Work

    Several mechanisms could explain these results:

    • Increased energy expenditure – Encouraging the body to burn more energy at rest.
    • Enhanced fat oxidation – Shifting your metabolism toward using more fat for fuel after meals.
    • Improved mitochondrial function – Helping cells produce energy more efficiently.
    • Modulation of lipid metabolism – Supporting healthier cholesterol and triglyceride levels.
    • Potential microbiome effects – Certain gut bacteria can use allulose, though more research is needed on its long-term impact on the microbiome.

    Boosting Fat Oxidation

    In a human crossover trial, a single dose of allulose:

    • Increased post-meal fat oxidation
    • Reduced carbohydrate oxidation
    • Lowered plasma glucose levels
    • Raised free fatty acids (a sign the body is using more stored fat for energy)

    In animals, this effect seems to come from allulose suppressing fat creation in the liver (hepatic lipogenesis) and activating the PPARα pathway, which is essential for breaking down fatty acids for energy.

    Allulose, GLP-1, and Appetite Regulation

    Another fascinating area is how allulose affects GLP-1 (glucagon-like peptide-1) a hormone involved in blood sugar regulation and appetite control.

    When you consume allulose, its poor absorbability means more of it stays in the gut, physically stretching the intestine. This mechanical stimulation can trigger specialised L-cells to release GLP-1.

    GLP-1 then acts on vagal afferent neurons the gut-brain nerve pathways to send satiety signals, regulate glucose metabolism, and even influence insulin secretion.

    Animal research shows that the appetite-reducing and glucose-lowering effects of allulose depend on both intact vagal nerve signalling and functional GLP-1 receptors. When either of those pathways is blocked, the benefits are reduced showing how central this mechanism is.

    Blood Sugar Benefits

    Because it’s not significantly metabolised, allulose has a minimal impact on blood glucose and insulin levels. Over time, studies suggest it may actually improve glucose tolerance and insulin sensitivity.

    That makes it particularly promising for:

    • People with prediabetes or type 2 diabetes
    • Those with insulin resistance
    • Athletes looking for more stable post-meal energy without spikes and crashes

    What About Side Effects?

    Allulose is generally very well tolerated, even in larger amounts. Because it isn’t absorbed, very high doses can cause mild digestive symptoms in some people (similar to sugar alcohols), but these effects are less common and milder than with something like erythritol.

    I personally have never had any trouble with it, and neither have most of my clients. If you’re new to it, you might want to start small for example, a teaspoon or two in coffee or yoghurt and then increase the amount if you want to bake with it.

    How I Use It Day-to-Day

    Here are my go-to uses for allulose:

    • Baking – Cakes, muffins, protein brownies, cheesecakes.
    • Coffee/tea – Dissolves completely and gives a clean sweetness.
    • Homemade sauces – Adds sweetness to tomato sauces, marinades, or stir-fries without added sugar.
    • Yoghurt bowls – Mix with cinnamon for a sugar-free “brown sugar” style topping.
    • Protein desserts – For a sweet, post-training treat without a glucose spike.

    Final Thoughts: A Smart, Evidence-Based Swap

    Allulose isn’t a magic bullet but it is one of the most exciting sugar alternatives we have, because it delivers the sweetness and texture we want and may have real metabolic benefits.

    From enhancing fat oxidation and improving blood sugar control to supporting appetite regulation through GLP-1 release, it’s a powerful tool for anyone focused on long-term, sustainable health and body composition goals.

    I use it daily because it fits my lifestyle perfectly: it’s delicious, versatile, and evidence-backed exactly the kind of thing I love to share with my clients.

  • Best Foods for Gut Health: A Simple Guide to a Happier Gut by Sarah Curran

    Gut health has gained a lot of attention in recent years, and for good reason. Your gut isn’t just responsible for digesting food it also plays a central role in immunity, mood regulation, and overall metabolic health. One of the simplest ways to support your gut is through the foods you eat. Let’s break down the best foods to keep your gut thriving, why they work, and practical tips to include them in your daily diet.

    1. Plant-Based Foods: The Foundation of a Healthy Gut

    A diet rich in plant-based foods fruits, vegetables, whole grains, legumes, nuts, and seeds is consistently associated with better gut health. These foods provide dietary fiber, polyphenols, and prebiotics, which serve as fuel for the beneficial bacteria in your gut.

    Why it matters: Fiber-rich foods act as prebiotics, feeding gut bacteria like Bifidobacterium and Lactobacillus. This fermentation process produces short-chain fatty acids (SCFAs) such as acetate, propionate, and butyrate, which help strengthen the gut barrier, reduce inflammation, and even influence metabolism. Butyrate, for example, serves as an energy source for colon cells, supports immune function, and helps regulate insulin sensitivity and lipid metabolism.

    Best choices:

    • Fruits: Bananas, apples, berries, and citrus fruits are high in soluble fibers like pectin, which feed beneficial microbes.
    • Vegetables: Leafy greens, onions, garlic, leeks, asparagus, and artichokes provide prebiotics that selectively nourish healthy bacteria.
    • Whole grains: Oats, barley, and brown rice contain fibers like beta-glucan that increase SCFA production.
    • Legumes: Lentils, chickpeas, and beans are fiber powerhouses that promote microbial diversity.

    Including a variety of plant-based foods ensures your gut bacteria have a broad spectrum of fibers to ferment, promoting a resilient and diverse microbiome.

    2. Fermented Foods: Introducing Beneficial Microbes

    Fermented foods like yogurt, kefir, kimchi, sauerkraut, and miso are rich in live microorganisms that can beneficially modulate the gut microbiome.

    Why it matters: Probiotics, the live bacteria found in fermented foods, can temporarily colonize the gut and improve microbial balance. Regular intake has been associated with reduced inflammation, improved digestion, and better overall gut function. Fermented foods also contain bioactive compounds that may enhance gut barrier integrity.

    Practical tips:

    • Add a few spoonfuls of sauerkraut or kimchi to your meals.
    • Choose plain, unsweetened yogurt or kefir as a snack or breakfast base.
    • Incorporate miso into soups or salad dressings.

    Even small amounts of fermented foods daily can support your gut without overwhelming your system.

    3. Polyphenol-Rich Foods: Plant Compounds That Support Your Microbiome

    Polyphenols are plant compounds found in foods like berries, tea, cocoa, coffee, and extra virgin olive oil. While we often hear about their antioxidant properties, they also play a role in gut health.

    Why it matters: Polyphenols are metabolized by gut bacteria, which can increase the abundance of beneficial species and reduce harmful bacteria. They also help modulate inflammation in the gut and beyond. Dark chocolate, green tea, and colorful berries are simple ways to include polyphenols in your diet.

    4. The Mediterranean Diet: A Gut-Friendly Pattern

    While individual foods are important, overall dietary patterns matter too. The Mediterranean diet, characterized by high intake of fruits, vegetables, legumes, whole grains, nuts, and extra virgin olive oil, with moderate fish and dairy, has been consistently shown to improve gut health.

    Why it matters: People following this diet have greater microbial diversity, higher levels of SCFAs, and fewer pro-inflammatory gut bacteria. Incorporating Mediterranean-style meals can therefore have both short-term and long-term benefits for your gut and metabolic health.

    Simple swaps:

    • Replace butter with olive oil.
    • Swap refined grains for whole grains like quinoa or brown rice.
    • Include fish like salmon or sardines a few times a week.

    5. Avoiding Gut-Damaging Foods

    Not all foods support gut health. Diets high in processed foods, added sugars, and unhealthy fats often termed “Western-type diets” are linked to reduced microbial diversity and increased risk of gut-related issues, including inflammation and metabolic disorders.

    Tips for limiting gut-harming foods:

    • Reduce sugary drinks and snacks.
    • Limit highly processed meats and fried foods.
    • Focus on whole, minimally processed alternatives whenever possible.

    6. Fiber Variety Matters

    It’s not just about eating fiber it’s about eating a variety of fibers. Different fibers feed different bacterial species. For example, inulin-type fructans from onions and garlic selectively promote Bifidobacterium, while resistant starch from cooled potatoes or rice feeds SCFA-producing bacteria like Faecalibacterium prausnitzii.

    Tip: Aim for a rainbow of fruits and vegetables, plus different whole grains and legumes throughout the week. Diversity in fiber sources is key to diversity in gut bacteria.

    7. Combining Foods for Maximum Benefit

    Pairing different gut-friendly foods can have synergistic effects. For instance:

    • Top oatmeal with berries and a spoonful of yogurt.
    • Add chickpeas and olive oil to a leafy green salad.
    • Enjoy dark chocolate with a handful of nuts as a snack.

    These combinations provide fiber, polyphenols, and live bacteria in one meal, supporting both microbial diversity and SCFA production.

    Bottom Line

    Optimizing gut health doesn’t require exotic superfoods or supplements. Focus on a varied, plant-forward diet, regular inclusion of fermented foods, and minimizing processed foods. Here’s a simple checklist for daily gut support:

    • Fruits: 2–3 servings (bananas, berries, apples)
    • Vegetables: 3–5 servings (leafy greens, leeks, asparagus)
    • Whole grains: 2–3 servings (oats, brown rice, barley)
    • Legumes: 1–2 servings (lentils, chickpeas, beans)
    • Fermented foods: 1–2 servings (yogurt, kefir, kimchi)
    • Polyphenols: Include tea, coffee, dark chocolate, or berries
    • Healthy fats: Olive oil, nuts, and seeds

    Supporting your gut isn’t just about digestion it’s about overall health. By nourishing your gut bacteria with diverse plant foods, fermented foods, and polyphenols, you’re promoting better immunity, improved metabolism, and a stronger gut barrier. Start small, mix and match, and over time, your gut (and body) will thank you. If you want more tips follow @sarahcurranfitnesspro on Instagram!

  • The Power of Five: Why Fruits and Vegetables Are Your Best Health Insurance by Sarah Curran

    We’ve all heard it before — “eat your fruits and vegetables.” But when you dig into the research, that advice isn’t just a vague guideline. It’s one of the most consistently proven strategies for reducing disease risk, living longer, and feeling better day-to-day. And the good news? You don’t need to live on kale smoothies or raw carrot sticks to see the benefits.

    The 5-a-Day Sweet Spot

    Large-scale studies and meta-analyses involving hundreds of thousands of people show that eating around five servings per day — about two servings of fruit and three servings of vegetables — is linked to the greatest reduction in risk for major diseases like heart disease, stroke, and certain cancers. The benefits are significant but plateau beyond this point, so you don’t have to chase a dozen portions to make an impact.

    This sweet spot of five daily servings is also linked to:

    • Lower risk of respiratory illnesses like chronic obstructive pulmonary disease (COPD).
    • Reduced overall mortality — meaning people who eat more fruits and vegetables generally live longer.
    • Better protection against age-related conditions like cataracts, hip fractures, and even cognitive decline in older adults.

    The message is clear: five a day is not just a nice idea, it’s a protective dose for your long-term health.

    Fruit and Veg for Your Heart

    When it comes to cardiovascular health, fruits and vegetables are the gold standard. A higher intake — up to about 800 grams per day — is consistently linked with a lower risk of both coronary heart disease and stroke.

    Here’s what the numbers tell us:

    • Each extra daily serving can lower coronary heart disease risk by 4–7%.
    • People who eat the most fruits and vegetables have up to 24% lower risk of cardiovascular disease compared to those who eat the least.

    This isn’t just coincidence. Fruits and vegetables support heart health by:

    • Lowering blood pressure through potassium-rich foods like bananas, leafy greens, and sweet potatoes.
    • Improving cholesterol profiles thanks to soluble fibre in foods like apples, citrus fruits, and carrots.
    • Reducing inflammation and supporting blood vessel health through antioxidants and phytochemicals found in brightly coloured produce.

    Fruit vs. Vegetables: Is One Better?

    Both fruits and vegetables have powerful health benefits, but some studies suggest slightly different strengths:

    • Fruit intake tends to be more strongly linked with reduced risk of stroke and coronary heart disease. Citrus fruits and apples are standout performers.
    • Vegetables — particularly green leafy, cruciferous (like broccoli and cabbage), and allium varieties (like garlic and onions) — are strongly linked with reduced inflammation and improved vascular function.

    The takeaway? Don’t pick sides. Aim for variety — different colours, different textures, and different plant families. A mixed plate is your best bet for full-body protection.

    Not All Produce Is Equal

    Here’s where it gets interesting:

    • Whole fruits and vegetables offer the most benefits.
    • Fruit juices, even 100% juice, don’t show the same protective effects because they lack fibre and are easy to overconsume.
    • Starchy vegetables like potatoes don’t carry the same risk reduction, especially when fried or highly processed.

    If you want to get the most bang for your buck, focus on:

    • Dark leafy greens (spinach, kale, rocket)
    • Cruciferous vegetables (broccoli, cauliflower, cabbage)
    • Citrus fruits (oranges, grapefruits)
    • Berries (blueberries, strawberries, raspberries)

    These are consistently linked with the strongest health outcomes across multiple studies.

    Beyond the Heart: Other Benefits You Might Not Expect

    Eating more fruits and vegetables doesn’t just protect your heart and reduce cancer risk. The evidence also supports:

    • Lower inflammation levels, which plays a role in preventing everything from arthritis flare-ups to autoimmune conditions.
    • Better immune function, making you more resilient to infections.
    • Potential mood benefits, with higher fruit and vegetable intake linked to lower risk of depression and better overall mental well-being.

    It’s not magic — it’s the combined effect of nutrients, fibre, and plant compounds working together in your body.

    Simple Ways to Hit Your Five a Day (Without Feeling Like a Rabbit)

    If you’re thinking, “I just don’t have time to prep all that,” you’re not alone. But hitting five a day is easier than you think:

    1. Add one at breakfast – Top your porridge with berries, have sliced banana on wholegrain toast, or throw spinach into scrambled eggs.
    2. Snack smarter – Swap biscuits for apple slices with peanut butter or carrot sticks with hummus.
    3. Double your dinner veg – Whatever you normally serve, double the portion or add a second variety.
    4. Go frozen – Frozen berries, spinach, and mixed veg are just as nutritious as fresh and much quicker to prepare.
    5. Soup it up – Make a big pot of vegetable-based soup and freeze portions for quick lunches.

    The Bottom Line

    The research is clear: a diet rich in fruits and vegetables can help protect you against some of the most common and deadly health problems, from heart disease to certain cancers. You don’t need extreme changes — just aim for two servings of fruit and three servings of vegetables most days. Variety matters, and whole foods beat juices or heavily processed options every time.

    This isn’t about perfection. It’s about giving your body what it needs to thrive, one meal at a time.

    If you want more science-backed, real-life strategies for improving your health without fads or fearmongering, I share them daily over on Instagram. Come join me at @sarahcurranfitpro for nutrition tips, fitness guidance, and practical ways to make healthy living fit your life.

  • How long should you wait between exercise and bedtime for the best sleep : by Sarah Curran

    We all know that exercise is one of the best things you can do for your health,improving fitness, reducing disease risk, boosting mood, and even enhancing sleep quality. But there’s a catch: when you exercise can make a big difference to how well you sleep at night.

    If you have ever smashed a late-night workout and then found yourself lying in bed, wired and restless, you have experienced why timing matters. The question is: how long should you leave between exercise and bedtime to sleep well?

    Why exercise timing affects sleep

    Exercise is more than just moving your muscles,it is a physiological event. Your heart rate, core body temperature, and adrenaline levels rise. Your nervous system gets activated, and your body releases a cocktail of hormones (including cortisol) that can make you feel energised.

    These effects are fantastic during the day, but right before bed they are not so helpful. Sleep is all about winding down,lowering heart rate, cooling the body, and shifting into parasympathetic (“rest and digest”) mode.

    High-intensity workouts too close to bedtime can delay melatonin release (your “sleep hormone”), keep your core temperature elevated, and make it harder to fall asleep.

    The 4-hour guideline

    Research looking at sleep tracking in large populations suggests that finishing your workout at least four hours before bed is a safe bet if you want to protect your sleep.

    That is particularly important if your session is intense,think heavy lifting, sprint intervals, hard sparring, or a high-energy fitness class.

    A wearable-based study of nearly 20,000 people found no negative impact on sleep when exercise ended at least four hours before lights out. Beyond that window, your body has time to return to its normal pre-sleep state.

    What about moderate exercise?

    The good news: you do not always have to wait four hours,especially if your evening workout is not a full-on sweat fest.

    Several studies have found that moderate-intensity exercise,like a brisk walk, easy cycling, or light resistance training,ending ninety minutes or more before bed does not impair sleep in healthy adults.

    In fact, for some people, it might even improve sleep quality. That is because moderate exercise can help reduce stress, lower anxiety, and make you feel pleasantly tired without overstimulating your system.

    The “it depends” factor

    Like most things in health, there is no one-size-fits-all rule here. How you respond to evening exercise depends on factors such as:

    • Fitness level – People who train regularly often tolerate later workouts better than those who are new to exercise.
    • Type and intensity – High-intensity, adrenaline-fuelled training is more disruptive than gentle movement.
    • Age and sex – Some studies suggest women benefit from exercise three to eight hours before bed, while men may do better with an even longer gap.
    • Chronotype – If you are naturally a “morning lark,” late workouts may feel harder and impact your sleep more than if you are a “night owl.”

    Even your health status matters. For example, people with insomnia or certain medical conditions may be more sensitive to late training.

    The circadian rhythm connection

    Exercise is not just about muscles,it is also a zeitgeber (German for “time giver”) for your circadian rhythm, the internal clock that governs your sleep–wake cycle.

    Morning exercise tends to advance your body clock, making you naturally sleepy earlier at night. Evening exercise can delay your body clock, especially if it is intense and combined with bright light exposure.

    For some, this delay is not a big deal. For others,especially early risers,it can mean tossing and turning at night or feeling groggy in the morning.

    What the science says

    Here is what research shows about workout timing and sleep:

    • Four or more hours before bed – Safest for high-intensity training; little to no disruption for most people.
    • Two to four hours before bed – Usually fine for moderate-intensity training in healthy adults.
    • Ninety minutes before bed – Often fine for light to moderate exercise, especially in active people.
    • Less than one hour before bed – Higher risk of delayed sleep onset and reduced sleep quality, particularly with vigorous activity.
    • Within thirty minutes of bed – Likely to affect melatonin release, raise core temperature, and reduce REM sleep in some people.

    My coaching take

    If your schedule only allows evening workouts, do not panic,it does not mean you are destined for bad sleep forever. Here is how to make it work:

    1. Know your body. Track your sleep for a couple of weeks after evening workouts. If you notice a pattern of poorer sleep, push your workout earlier where possible.
    2. Dial down intensity. Swap HIIT or heavy lifting for a steady-paced session or mobility work in the evening.
    3. Cool down properly. Include five to ten minutes of gentle stretching or slow walking to help your body shift into recovery mode.
    4. Optimise your wind-down. Keep your room cool, dim the lights, and avoid scrolling on your phone—late-night blue light can amplify any sleep disruption.
    5. Be consistent. Your body adapts to routines. If you regularly work out at 7 pm, your circadian rhythm may eventually adjust.

    Bottom line

    If you want the safest route for great sleep, finish intense exercise at least four hours before bedtime.

    If you are doing moderate or light exercise, ninety minutes to two hours before bed is usually fine.

    Listen to your own body, if late workouts leave you staring at the ceiling, shift them earlier.

    Any regular exercise is better than none. The key is finding the sweet spot that lets you train consistently and sleep well.

    Your muscles grow and your body recovers while you sleep,so it is worth getting the timing right.

    Want more evidence-based fitness advice?

    I am Sarah Curran, MSc Exercise and Nutrition, lifestyle medicine specialist, and qualified personal trainer. I help people cut through the confusion with clear, actionable strategies that work in the real world.

    On my Instagram @sarahcurranfitpro, you will find proven training tips, trustworthy nutrition advice, lifestyle strategies for better recovery, and skincare insights for active bodies.

    No quick fixes. Just facts and methods you can rely on to get results.

    Follow along if you want to train smarter, recover better, and feel confident in your approach to health and fitness.

  • Retinal vs. Retinol: What’s the Real Difference and Which One Should You Use? By Sarah Curran

    If you’ve ever found yourself scanning skincare labels and wondering what the difference is between retinol and retinal, you’re not alone. They sound nearly identical and are both derived from vitamin A, but they have distinct properties, strengths, and uses in skincare.

    Understanding the difference between these two powerful ingredients can help you make smarter choices for your skin, especially if you’re trying to tackle fine lines, breakouts, or dullness.

    What Are Retinoids?

    Retinoids are compounds derived from vitamin A. This group includes:

    • Retinol
    • Retinal (also known as retinaldehyde)
    • Retinoic acid (prescription form, such as tretinoin)

    All retinoids eventually convert into retinoic acid, which is the form your skin can use to boost collagen, increase cell turnover, and reduce pigmentation and signs of aging. Retinoic acid binds directly to receptors in your skin cells and influences how they behave leading to smoother, firmer, clearer skin over time.

    Retinol: The Popular Starter Retinoid

    Retinol is the most common over-the-counter form of vitamin A in skincare. It’s a lipid-soluble alcohol that your skin converts into retinoic acid through a two-step enzymatic process. First, it’s converted to retinal, then to retinoic acid.

    This two-step process makes retinol a gentler, slower-acting option. For people with sensitive skin or those just starting out with retinoids, retinol is often the go-to.

    Benefits of Retinol

    Retinol is effective for reducing early signs of aging, smoothing skin texture, and gradually improving skin tone and clarity. It’s been studied for decades and has a good track record when used correctly.

    Limitations of Retinol

    Because of the conversion process, retinol is less potent than other forms of vitamin A. Results can take longer to appear often around 8 to 12 weeks. It can also cause irritation, dryness, and peeling, especially if used too often or in high concentrations.

    Retinol also degrades easily when exposed to light and air, so the product packaging matters. Look for tubes or pumps that are opaque and airtight to keep the ingredient stable.

    Retinal: The Underrated Powerhouse

    Retinal, short for retinaldehyde, is a more potent form of vitamin A and is one conversion step closer to retinoic acid. That means your skin doesn’t have to work as hard to process it. The conversion from retinal to retinoic acid is faster and more efficient, making retinal a strong contender for visible results without the harshness of a prescription.

    Why It Stands Out

    Retinal is considered up to 11 times more effective than retinol when it comes to converting to retinoic acid. That means it can deliver quicker improvements in skin texture, elasticity, fine lines, and pigmentation.

    It also has natural antibacterial properties, making it a great option for people dealing with acne. And while it’s stronger than retinol, it tends to be much better tolerated than prescription tretinoin.

    Formulation Matters

    One downside of retinal is its stability. It’s more sensitive to light and air than retinol, so quality formulations often use encapsulation or delivery systems to protect the ingredient and ensure it penetrates deeply without irritating the skin. Look for brands that use stabilized retinal in well-designed packaging.

    How They Work in the Skin

    Both retinol and retinal must be converted into retinoic acid to become active in the skin. Retinol requires two enzymatic conversions first to retinal, then to retinoic acid. Retinal only requires one. This makes retinal faster and more direct in its action.

    These conversions don’t happen uniformly in every skin cell. Some skin types and conditions may metabolize retinoids differently, which partly explains why some people see rapid results while others need a longer adjustment period.

    Choosing Between Retinol and Retinal

    If you’re just starting your retinoid journey or have very sensitive skin, retinol is a great entry point. It’s gentle and effective over time, provided you’re consistent and patient.

    If you’ve used retinol before and feel like you’ve hit a plateau, or if you’re looking for something with more noticeable results without stepping into prescription territory, retinal is an excellent upgrade. It’s particularly effective for targeting signs of aging and acne, offering a high-performance alternative with minimal irritation.

    How to Use Them Safely and Effectively

    Start by using your chosen retinoid two to three nights per week. This gives your skin time to adjust. Apply to dry skin after cleansing, and follow with a gentle moisturiser. Over time, you can increase to every other night, and eventually nightly use if your skin tolerates it well.

    Avoid combining retinoids with other strong actives (like exfoliating acids or benzoyl peroxide) on the same night, unless you’ve built up a strong tolerance. Always wear SPF during the day retinoids can make your skin more sensitive to UV rays, and unprotected sun exposure can undo all your progress.

    Ingredients That Pair Well with Retinal and Retinol

    To boost results and reduce irritation, look for products or routines that include:

    • Niacinamide: helps strengthen the skin barrier and reduce inflammation
    • Ceramides: lock in moisture and support skin resilience
    • Hyaluronic acid: hydrates and reduces dryness and peeling
    • Bakuchiol: a gentle, plant-based retinol alternative that can enhance results
    • Peptides: support firmness and elasticity

    The Bottom Line

    Both retinal and retinol are valuable tools in evidence-based skincare. Retinol is a great choice for beginners and sensitive skin types, offering long-term benefits when used consistently and correctly. Retinal, on the other hand, delivers faster, more targeted results with added antibacterial benefits, making it a compelling option for those looking to level up their routine.

    Neither ingredient is a quick fix, but over time, both can dramatically improve your skin’s tone, texture, and overall health. The key is consistency, patience, and choosing the right formula for your needs.

    For more evidence-based skincare tips, ingredient breakdowns, and beauty-meets-science content, follow me on Instagram @sarahcurranfitpro. I share practical advice that cuts through the noise—and helps you make smarter skincare choices.

  • The fat you can’t see- but you shouldn’t ignore by Sarah Curran

    When most people think about fat loss, they picture what they can see: belly rolls, love handles, or those stubborn areas that just won’t shift. But the most dangerous type of fat isn’t visible in the mirror. It’s called visceral fat, and it quietly increases your risk of serious health issues,even if your weight appears to be “normal.”

    As a qualified coach with a background in exercise, nutrition, and lifestyle medicine, I’ve seen how this hidden fat can affect energy, mood, and long-term health. If you’ve been eating well, training hard, and still feel like your body isn’t responding, visceral fat might be the missing link.

    Let’s break it down,without fear-mongering, just practical facts and a plan you can actually stick to.

    What Is Visceral Fat?

    Visceral fat is stored deep within your abdominal cavity, surrounding key organs like your liver, pancreas, and intestines. Unlike subcutaneous fat (the soft, pinchable kind under your skin), visceral fat is metabolically active. That means it doesn’t just sit there,it affects your hormones, your immune system, and your risk for disease.

    Too much visceral fat has been linked to:

    • Cardiovascular disease
    • Type 2 diabetes
    • Insulin resistance
    • High blood pressure
    • Metabolic syndrome
    • Certain cancers

    It’s more dangerous than other types of fat because it contributes directly to chronic low-grade inflammation, damages blood vessels, and interferes with how your body regulates blood sugar and cholesterol.

    You Don’t Have to Be Overweight to Have It

    Visceral fat isn’t just a concern for those who are visibly overweight. In fact, you can have a “normal” BMI and still carry too much visceral fat,especially if you’re sedentary, stressed, sleep-deprived, or consuming a highly processed diet.

    This is sometimes called TOFI: thin on the outside, fat on the inside. It’s surprisingly common in busy, health-conscious individuals who are doing their best, but missing a few key pieces.

    Why It Matters More Than You Think

    Visceral fat acts like an inflammatory organ. It produces signalling molecules called adipokines, such as interleukin-6 (IL-6) and tumour necrosis factor-alpha (TNF-α), which disrupt metabolic function, increase blood pressure, and drive the development of plaque in your arteries.

    At the same time, visceral fat suppresses the production of protective hormones like adiponectin, which normally help regulate inflammation and support cardiovascular health. This imbalance increases your risk of heart attack, stroke, and insulin resistance,even if you’re active and eating relatively well.

    Over time, this type of inflammation affects not just your metabolism, but also your energy levels, your sleep, your mood, and even your skin.

    Signs You May Be Carrying Too Much Visceral Fat

    Because visceral fat can’t be seen or pinched, you’ll need to rely on other clues. Common signs and indicators include:

    • A hard, protruding belly (as opposed to soft subcutaneous fat)
    • A waist circumference over 35 inches for women or 40 inches for men
    • Fatigue, brain fog, or poor recovery from training
    • Blood sugar issues, cravings, or stubborn belly fat that won’t shift

    While medical imaging (like MRI or CT scans) gives the most accurate measurements, your waist size and symptoms are often enough to indicate whether visceral fat may be an issue.

    Can You Reduce Visceral Fat? Yes,and Relatively Quickly

    Here’s the good news: visceral fat is highly responsive to lifestyle changes. Unlike some types of fat that are more stubborn, visceral fat tends to reduce fairly quickly when you take the right steps.

    1. Strength training
    Building muscle is one of the best ways to improve metabolic health. Resistance training helps regulate blood sugar, reduce inflammation, and increase resting energy expenditure. Aim for full-body sessions two to three times per week.

    2. Daily movement
    You don’t need hours of cardio. Brisk walking, especially after meals, can significantly lower blood glucose and insulin. Even short bouts of movement throughout the day make a big impact over time.

    3. Nutrition that supports, not restricts
    You don’t need to starve yourself,just focus on nutrient-dense whole foods. Prioritise lean protein, fibre-rich vegetables, whole grains, and healthy fats. Reduce refined sugars, ultra-processed snacks, and excessive alcohol, which all contribute to visceral fat storage.

    4. Sleep and stress
    Poor sleep and high cortisol levels are both strongly linked to increased visceral fat. Create a wind-down routine, protect your sleep window, and build stress-reducing habits like journaling, deep breathing, or walking outdoors.

    5. Alcohol awareness
    Even moderate alcohol intake can lead to visceral fat gain, especially if you’re drinking regularly. Cutting back,even slightly,can improve insulin sensitivity and reduce inflammation.

    Progress Over Perfection

    You don’t need a perfect diet or an elite-level training program. You need consistency. Small, sustainable changes practiced over time are far more powerful than extreme diets or punishing workout schedules.

    Many of my clients come to me feeling like they’ve tried everything. Once we target the right changes,particularly those that affect visceral fat,things start to shift. Energy improves. Belly fat reduces. Health markers improve. It’s not magic. It’s method.

    Want More Evidence-Based Advice Without the Gimmicks?

    I share daily, practical guidance on fat loss, hormones, and health over on Instagram. If you’re looking for honest, straight-talking tips you can trust, come follow me at:
    @sarahcurranfitpro

    You’ll find actionable insights, myth-busting posts, and behind-the-scenes coaching advice from someone who lives and breathes this work.

    If you’re ready to take the next step, I offer coaching for people who are serious about making real, lasting changes to their body and health,without giving up their entire lifestyle to do it. Feel free to message me directly to see if we’re a good fit.

    Final Thoughts

    Visceral fat may be invisible, but its impact is not. The good news is that you have more control over it than you think. With the right approach to training, nutrition, recovery, and lifestyle, you can reduce your visceral fat, improve your health, and feel your best again.

    Your body is always working to protect you. Sometimes, it just needs the right kind of support. Let’s give it that.

  • Kefir: the gut friendly super drink you are probably sleeping on by Sarah Curran

    If you’re serious about gut health, you’ve probably already got probiotics on your radar,but have you tried kefir yet?

    It might look like a glass of slightly fizzy yogurt, but this traditional fermented drink packs a probiotic punch that goes way beyond your average supermarket bottle of “live cultures.” In fact, kefir could be one of the most effective (and affordable) ways to support your digestive system, immune function, and even your skin.

    Let’s break down why this humble drink has earned its place as a top-tier functional food—and why I often recommend it to clients looking for a natural way to improve digestion, balance blood sugar, and feel better from the inside out.

    What is Kefir?

    Kefir (pronounced kee-fur) is a fermented drink traditionally made by adding kefir grains (a combination of beneficial bacteria and yeasts) to milk. These grains aren’t actual grains,they’re gelatinous clumps made up of proteins, lipids, and complex sugars that act as natural starter cultures.

    Over the course of fermentation, the kefir grains digest the sugars in the milk (lactose), transforming it into a tangy, lightly effervescent beverage filled with probiotics, bioactive peptides, vitamins, and minerals.

    For anyone who’s dairy-free or plant-based, there are now kefir versions made from coconut milk, soy milk, or even sugar water or fruit juice. Just be aware that the probiotic count and strain variety can differ depending on the substrate.

    Why Kefir is Good for Your Gut

    Most fermented foods contain some probiotics,but kefir is one of the most diverse when it comes to strains. A single cup of kefir may contain 30 to 50 different strains of bacteria and yeast, making it a true microbiome multitasker.

    Kefir contains beneficial species such as:

    • Lacticaseibacillus paracasei
    • Lactobacillus helveticus
    • Lactobacillus plantarum
    • Lentilactobacillus kefiri
    • Lactococcus lactis
    • Leuconostoc mesenteroides
    • Saccharomyces cerevisiae
    • Pichia kudriavzevii
    • Kazachstania unispora

    What makes kefir stand out is that many of these bacteria can survive gastric acid, reach your gut alive, and even adhere to intestinal cells, which is a key marker of probiotic effectiveness. Many also produce bacteriocins,natural antibiotics that can help fight harmful bacteria like E. coli or Salmonella.

    Kefir’s Proven (and Promising) Health Benefits

    The combination of probiotics, bioactive compounds, and nutrients gives kefir some impressive potential when it comes to health benefits. Here’s what the research currently says:

    Supports gut health
    Kefir can help rebalance the intestinal microbiota, improving symptoms like bloating, constipation, or diarrhea. It may also be beneficial for people recovering from antibiotic use or gut infections.

    Improves lactose digestion
    Even though kefir is traditionally made from milk, many people with lactose intolerance can tolerate it. That’s because the fermentation process breaks down most of the lactose, and kefir contains lactase-producing bacteria that help with digestion.

    Regulates blood sugar
    Animal and early human studies show that kefir may help improve insulin sensitivity and reduce fasting blood glucose levels. This makes it a potential support for managing type 2 diabetes or pre-diabetes when paired with an overall balanced diet.

    Lowers cholesterol and blood pressure
    Some strains in kefir produce bioactive peptides that act as ACE inhibitors, which can help lower blood pressure. Regular intake has also been linked to improved lipid profiles, particularly lower LDL cholesterol.

    Enhances immune function
    Kefir has been shown to modulate immune responses, potentially reducing inflammation and boosting the body’s defence against infections. This is partly thanks to its content of exopolysaccharides and yeast-derived compounds.

    Anticancer potential (emerging evidence)
    Some lab and animal studies suggest kefir might have anticancer effects, including the ability to inhibit tumor growth and trigger apoptosis (programmed cell death) in cancer cells. This research is early-stage, but it’s an exciting area of development in functional nutrition.

    Kefir vs. Yogurt: What’s the Difference?

    Both are probiotic-rich fermented dairy products, but kefir has the edge when it comes to strain diversity, probiotic survival, and potential health benefits.

    Yogurt typically contains 2 to 7 strains of bacteria, while kefir can contain over 30. Kefir is also drinkable rather than spoonable, and includes yeasts as well as bacteria. Most importantly, kefir’s probiotic strains tend to be more resilient and capable of colonising the gut more effectively than those in yogurt.

    How to Add Kefir to Your Diet

    You can buy kefir in most supermarkets now, but keep an eye on the label. Choose plain, unsweetened varieties to avoid unnecessary added sugars.

    Here are a few simple ways to enjoy it:

    • Add it to a morning smoothie
    • Use it as the liquid in overnight oats
    • Mix it with berries or cinnamon as a snack
    • Blend into savoury dips or salad dressings
    • Use as a post-workout recovery drink with added fruit or protein

    You can also make your own kefir at home with just milk and kefir grains,check your local health food store or online suppliers.

    What to Watch Out For

    While kefir is generally safe for most people, here are a few things to keep in mind:

    • Start slow if you’re new to probiotics. You might experience temporary bloating or gas as your gut adjusts.
    • If you’re immune-compromised, check with your GP before introducing live-culture foods.
    • For plant-based kefir, note that probiotic content may be lower, especially in commercial versions. Look for fortified options or consider making your own at home.

    Final Thoughts from @sarahcurranfitpro

    Kefir is one of those underrated nutrition staples that’s cheap, accessible, and surprisingly powerful when used consistently. Whether you’re rebuilding your gut health, looking to support your immune system, or just want to diversify your diet with more whole-food probiotics,kefir deserves a spot in your fridge.

    Want tips on how to use kefir in your meals? Or ideas for balancing your gut health naturally with food, movement, and lifestyle tweaks?

    Come say hi over on Instagram @sarahcurranfitpro where I share practical, evidence-based tips to help you feel your best,without the fads.

  • Are Proprietary blends in sports supplements worth it? By Sarah Curran

    Walk into any supplement store or scroll through fitness ads online and you’ll find a ton of products boasting “proprietary blends.” Sounds impressive, right? These blends promise to optimise performance, boost muscle gains, or supercharge your workouts. But what’s actually in them? And are they really as effective as they claim?

    Let’s unpack it,starting with what proprietary blends actually are, how they show up in protein and pre-workout supplements, and what the science really says.

    What Are Proprietary Blends?

    In simple terms, proprietary blends are mixtures of multiple ingredients that are grouped under a single label,without revealing the exact dose of each component. You’ll usually see them listed as something like “Performance Matrix” or “Muscle Recovery Complex” on the back of the tub, followed by a bunch of ingredients and a total gram weight.

    Sounds fancy, but here’s the catch: manufacturers aren’t legally required to tell you how much of each ingredient is in the mix. So, while a blend might contain evidence-backed compounds like creatine or beta-alanine, you have no idea if you’re getting a clinically effective dose,or just a sprinkle for marketing purposes.

    Protein Blends: The Good Kind of Proprietary?

    Let’s start on a positive note. Not all proprietary blends are shady. In fact, in the world of protein supplements, some blends can offer real benefits.

    Blended protein powders often combine fast-digesting proteins like whey with slower-digesting ones like casein, and sometimes include plant-based sources like soy. This can create a more sustained release of amino acids into the bloodstream, which may help support muscle protein synthesis for longer than a single-source protein would.

    Research suggests that these combinations can be useful post-exercise. Whey gets to work quickly to kickstart recovery, while casein keeps feeding your muscles over a longer period. Adding soy or other plant proteins may also help round out the amino acid profile, particularly for those with dietary restrictions or preferences.

    But (and it’s a big but): quality and ratios matter. Not all blends are created equal. Without transparency, you don’t know if it’s mostly cheap fillers with just enough whey or casein to slap a “muscle-building” claim on the label. As always, look for third-party tested products and brands that are up-front about their ingredients.

    Pre-Workout Blends: Where Things Get Murkier

    This is where proprietary blends start to lose their shine.

    Pre-workout supplements are notoriously variable. A typical pre-workout might contain up to 18 different ingredients, and studies show that around half of these are buried in proprietary blends. That means you’re left guessing how much caffeine, creatine, beta-alanine, or citrulline you’re actually consuming.

    Why does that matter? Because dose matters. Take beta-alanine, for example,it helps buffer acid in muscles and delay fatigue. But the research shows you need around 3.2–6.4 grams daily to see those effects. Many pre-workouts only contain a fraction of that. Same goes for creatine, which requires a daily intake of 3–5 grams for performance benefits,again, often underdosed in blends.

    What’s more, this lack of transparency can be risky. Some pre-workouts contain stimulants or plant extracts that aren’t properly labeled,or worse, may not even be present at all. In some cases, synthetic versions replace natural ones, or banned substances sneak in. That’s not just sketchy,it could have real consequences for your health, especially your cardiovascular system.

    Do Proprietary Pre-Workouts Work?

    Short answer: sometimes.

    Some research shows that multi-ingredient pre-workouts (MIPS) can enhance aspects of performance like muscular endurance, anaerobic power, and training volume. But these benefits largely depend on the formulation, dosage, and individual response. One person might feel amazing on a particular blend, while another just gets the jitters and a headache.

    Also, these effects tend to be short-term. We still don’t have solid data on the long-term safety or effectiveness of stacking multiple active ingredients,especially when the doses are unknown.

    So, if you’re a healthy adult who’s mindful of what you’re taking, the occasional use of a reputable pre-workout can give you a boost. But if you’re relying on it every session without knowing what’s actually inside, that’s a red flag.

    What to Watch Out For

    Here’s a quick checklist if you’re using or considering a proprietary blend:

    • Check for transparency: Look for brands that fully disclose ingredient amounts. If it’s a “blend,” dig deeper.
    • Third-party tested: Certifications like NSF or Informed-Sport can help ensure what’s on the label is actually in the product,and nothing else.
    • Look up evidence-based doses: Know what the effective amounts are for ingredients like caffeine (3–6 mg/kg), beta-alanine (~3.2g/day), and creatine (~3–5g/day).
    • Be aware of stimulant content: Too much caffeine or unknown stimulants can affect sleep, mood, heart rate, and more.
    • Match it to your goals: Just because a product has 10 fancy ingredients doesn’t mean it’s better. Choose based on what you need,be it endurance, strength, focus, or recovery.

    Take-Home Message

    Proprietary blends in sports supplements are not inherently bad, but they require a critical eye. In protein powders, blended sources like whey, casein, and soy can offer real benefits by supporting both rapid and sustained muscle recovery. These blends can be a smart choice when formulated well and used as part of a balanced diet.

    However, when it comes to pre-workouts, the picture is less clear. Many contain underdosed or undisclosed ingredients, making it difficult to assess their true effectiveness—or safety. The lack of transparency in proprietary pre-workout formulas means you could be paying for marketing hype rather than proven results.

    The most effective supplement strategy is always one that’s evidence-based, transparent, and tailored to your goals. Know what you’re taking, why you’re taking it, and whether the dosage matches what the research actually supports. When in doubt, simplicity and clarity usually win.

  • Sleep better with food: what to eat and when for restful nights by Sarah Curran

    If you’re finding it harder to fall asleep,or waking up feeling like you’ve barely rested,it might be time to take a closer look at your nutrition.

    As a coach with a background in exercise and nutrition science, I often work with clients who struggle with sleep. And while we tend to focus on workouts, supplements, or stress, the role of food is often overlooked. What you eat, and when, plays a powerful role in regulating your body clock, hormone production, and recovery.

    Let’s explore how to use food, dietary habits, and meal timing to support deeper, more restorative sleep.

    Foods That Support Better Sleep

    Specific foods contain compounds that help your body produce melatonin and serotonin,key hormones involved in falling and staying asleep.

    Tart Cherries

    A natural source of melatonin. Drinking tart cherry juice in the evening has been shown to increase total sleep time and improve sleep efficiency.

    Kiwifruit

    Kiwis contain antioxidants and serotonin precursors. Research suggests eating two kiwis one hour before bed may improve sleep onset and duration.

    Milk

    Rich in tryptophan and calcium, both of which support melatonin synthesis. A small glass of warm milk can help calm the nervous system before bed.

    Nuts and Seeds

    Almonds, walnuts, and pumpkin seeds are rich in magnesium and zinc,minerals associated with better sleep regulation.

    Fatty Fish

    Oily fish such as salmon and mackerel provide omega-3s and vitamin D, both of which play a role in serotonin production.

    Honey

    In small amounts, honey may support tryptophan availability to the brain, but avoid overconsuming sugar close to bedtime.

    Dietary Patterns That Promote Rest

    Your overall dietary habits play a bigger role in long-term sleep health than any one food.

    Diets Linked to Better Sleep

    • High in whole, plant-based foods: fruits, vegetables, legumes, whole grains
    • Balanced macronutrients, especially adequate protein
    • Rich in antioxidants and essential micronutrients

    These patterns resemble the Mediterranean and DASH diets, both of which are associated with fewer sleep disturbances and better sleep quality.

    Diets Linked to Poorer Sleep

    • High in processed foods, added sugars, and saturated fats
    • Low in fibre and nutrients like magnesium, B vitamins, and vitamin D
    • Large or heavy meals late at night

    These dietary patterns can impair the production of melatonin, raise inflammation, and spike blood sugar levels,making it harder to relax and drift off.

    Meal Timing and Sleep: Why When You Eat Matters

    Chrono-nutrition looks at how meal timing interacts with our internal body clock. Aligning eating patterns with your circadian rhythm supports not just sleep, but metabolic health too.

    Irregular or Late Eating Can Disrupt Sleep

    Eating large meals close to bedtime can interfere with digestion and delay the natural rise in melatonin. Irregular eating patterns can also disrupt circadian rhythm cues, making it harder to fall asleep at a consistent time.

    Early, Consistent Meal Patterns Help Regulate Your Body Clock

    Research shows that eating more of your calories earlier in the day, and maintaining regular meal times,even on weekends,can promote better sleep duration and quality.

    What About Shift Work?

    For those with irregular or night-time schedules, the key is to maintain consistency. Avoid constant grazing or large meals in the middle of the night, and aim to eat in alignment with your most active hours,even if that means breakfast is at 3pm.

    The Sleep–Diet Feedback Loop

    Sleep and nutrition influence one another. Poor sleep increases cravings for high-calorie, high-sugar foods, disrupts appetite hormones like ghrelin and leptin, and reduces your ability to regulate energy intake. Over time, this can contribute to a cycle of fatigue, poor recovery, and low motivation to train or eat well.

    When you sleep better, you make better food choices,and when you eat better, your sleep improves. It’s a win–win.

    Nutrition Strategies to Support Better Sleep

    • Eat balanced meals with a combination of protein, complex carbs, and healthy fats.
    • Avoid caffeine after mid-afternoon,even if you don’t feel sensitive to it.
    • Reduce fluid intake before bed to avoid night-time waking.
    • Choose light, whole-food evening snacks if needed, such as Greek yogurt with berries or oatcakes and almond butter.
    • Avoid processed snacks, heavy meals, or sugary foods close to bedtime.
    • Stick to consistent meal times across the week.

    Take-Home Message: Eat Smart, Sleep Deep

    There’s no one-size-fits-all solution, but small, consistent changes to your eating habits and meal timing can have a major impact on your sleep.

    If you’re training, recovering, working shifts, or just trying to feel more human during the day, supporting your sleep through nutrition is one of the smartest long-term moves you can make. Sleep isn’t just a nice-to-have,it’s a vital part of your overall health, beauty, and performance routine.

    Want More Tips Like This?

    Follow me on Instagram @sarahcurranfitpro for daily, evidence-based content on:

    • Sleep, nutrition, and hormone health
    • Realistic training strategies for busy people
    • Female-focused recovery, wellness, and performance
    • Meal ideas, tips, and myth-busting in a no-nonsense tone

  • Anabolic Foods & Anabolic Resistance: What to Eat to Build Muscle at Any Age by Sarah Curran

    If you’re training hard and eating well but still feel like your muscles aren’t responding the way they used to especially as you get older you’re not imagining it.

    This could be due to something called anabolic resistance, and it’s more common than most people realise. But the good news? It’s totally fixable.

    In this article, we’ll look at:

    • What anabolic foods are (and why they matter)
    • How muscle-building works at a cellular level
    • What causes anabolic resistance
    • How to overcome it with food, training, and lifestyle

    What Are Anabolic Foods?

    “Anabolic” just means building up in this case, building muscle. Anabolic foods are the ones that help trigger muscle protein synthesis (MPS), which is your body’s process of repairing and growing muscle tissue after training.

    The most anabolic foods are rich in high-quality protein, especially leucine, an amino acid that acts as the spark plug for muscle growth.

    Best anabolic foods:

    • Lean meats like chicken, turkey, beef
    • Eggs (especially the yolks don’t ditch them)
    • Dairy products (milk, Greek yogurt, cheese)
    • Fish and seafood
    • Whey protein

    Animal proteins generally give you more bang for your buck they’re more digestible and have a better amino acid profile compared to plant proteins.

    What About Plant-Based Proteins?

    You can still build muscle on a plant-based diet, but it takes a bit more strategy.

    Plant proteins often lack one or more essential amino acids, so you’ll need to combine sources (like rice + beans) or opt for fortified products or protein powders.

    Tips for making plant proteins more anabolic:

    • Eat larger portions to hit your protein needs
    • Combine complementary sources (e.g. lentils + quinoa)
    • Use plant-based protein powders (pea, soy, rice)
    • Add leucine-rich foods or supplements if needed

    Anabolic Resistance: Why Protein Doesn’t Always “Work” the Way It Should

    As we age or if we’re inactive, overweight, or recovering from illness our muscles become less responsive to the normal signals that trigger growth. This is called anabolic resistance.

    It’s like your muscles have the volume turned down. You’re still eating protein and exercising, but your body’s response is muted.

    What causes it?

    • Aging
    • Sedentary lifestyle
    • Inflammation
    • Poor blood flow to muscle
    • Insulin resistance (common in obesity or PCOS)

    The Science-y Bit: IGF-1 and mTOR

    Inside your muscle cells, growth is controlled by pathways like IGF-1 and mTOR. When you lift weights or eat protein, these get switched on, telling your body to start building.

    In anabolic resistance, these pathways don’t switch on properly even when you do everything “right.” That’s why you might feel like your usual diet and training plan just isn’t cutting it anymore.

    But you’re not stuck. These pathways can be reactivated you just need to give them the right kind of nudge.

    How to Overcome Anabolic Resistance

    You don’t need extreme diets or magic supplements. You just need a few smart tweaks.

    1. Lift WeightsRegularly

    Resistance training is the single most powerful tool to restore your muscle’s responsiveness to protein. Aim for:

    • 2–4 strength sessions per week
    • Moderate to heavy loads
    • Progressively increasing over time

    Even bodyweight exercises like squats and push-ups count consistency is key.

    2. Eat More Protein (Especially at Breakfast)

    As we get older, the amount of protein needed to trigger MPS goes up. Instead of 20g per meal, aim for 30–40g with at least 2.5g of leucine.

    Spread it evenly across the day and don’t skip breakfast your first meal sets the tone for the day’s anabolic signalling.

    3. Supplement with EAAs or Leucine if Needed

    If you’re not hungry or struggle to eat enough, essential amino acid (EAA) blends or a leucine boost in your protein shake can help. This is especially useful for peri- and postmenopausal women, who tend to experience a natural dip in anabolic signalling.

    4. Add Inflammation-Fighting Foods

    Chronic low-grade inflammation makes anabolic resistance worse. Focus on anti-inflammatory foods like:

    • Fatty fish (salmon, sardines)
    • Colourful veg and berries
    • Olive oil
    • Walnuts and flaxseeds

    5. Stay Active Throughout the Day

    You can’t out-train a sedentary lifestyle. Even if you lift three times a week, sitting for 10 hours a day will blunt your progress.

    Move more between sessions: walk, stretch, do housework anything that keeps blood flowing to your muscles.

    Real Talk: You’re Not “Broken Your Body Just Needs a Tune-Up

    If you’re over 30 (or 40+), you’ve probably noticed that your body doesn’t bounce back like it used to. That doesn’t mean you’re past it. It just means your muscle metabolism needs more support and stimulation.

    Anabolic resistance doesn’t mean you can’t build muscle. It just means you need to train smarter, eat more intentionally, and stay consistent.

    Take-Home Message

    Anabolic foods are protein-rich, leucine-packed foods that trigger muscle growth.
    Resistance training is non-negotiable for muscle health, especially with age.
    Protein timing and total intake matter aim for 30–40g per meal.
    Anabolic resistance is common, but reversible.
    Move daily, eat smart, lift regularly.