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Word de slimste in de sportschool. Onderbouwde artikelen over supplementen, voeding en training, zonder broscience.

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46 artikelen
Health

Retatrutide: the new weight-loss drug after Ozempic and Mounjaro

Retatrutide is an experimental weight-loss injection that appears to work even harder than Ozempic and Mounjaro, with early trials showing roughly 24% average weight loss. But it is…

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Training

Exercising in a Heatwave: What’s Still Safe and What to Skip

Yes, you can still train in a heatwave, but you'll want to dial it back. Once temperatures push past 25-30°C, your body works a lot harder to stay…

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Health

No Period From Training? What Pushing Too Hard Really Does

If your period has stopped since you started training harder, eating less or leaning down, that is almost never a coincidence. It is your body telling you it…

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Health

PCOS: symptoms, causes and what you can actually do about it

PCOS (polycystic ovary syndrome) is one of the most common hormonal conditions in women, affecting roughly 1 in 10 of reproductive age, and it usually shows up as…

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Health

PMS: Why You Feel Rotten Before Your Period

PMS (premenstrual syndrome) is a set of physical and emotional symptoms that show up in the second half of your cycle, after ovulation, and clear away quickly once…

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Supplements

Are peptides safe? What doctors say about recovery peptides

Honestly, we don't know yet. Recovery peptides like BPC 157 and TB500 are all over Instagram and YouTube, sold as if they melt away injuries overnight. But the…

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Nutrition

Are sweeteners bad for you? Better or worse than sugar

For most people, sweeteners are not bad for you. If the choice is between a sugary drink and one made with sweeteners, the sweetened version is the better…

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Health

How to prevent hearing damage: protect your ears

To prevent hearing damage, keep loud sound short and quiet: wear earplugs at gigs and festivals, turn your earbuds down to around 60% for no more than an…

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Health

Suncream myths, checked by a doctor

Suncream works. It lowers your risk of skin cancer and slows visible ageing, and that has been shown in proper randomised trials, not just hunches. Yet the same…

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Health

Is the sauna actually good for you?

For most people, regular sauna use does seem to be good for your health, with the clearest signals pointing to your heart and blood vessels, recovery after training,…

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Training

Can You Exercise Too Much? The Risks of Overtraining

Yes, you can exercise too much, but for most people the risk is very small. Any movement buys you health, and the benefits keep stacking up for hours.…

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Health

Is sitting the new smoking? What too much sitting does to your body

Sitting itself won't poison you, but sitting for hours on end means you miss out on the benefits that movement gives your body, and over a lifetime that…

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Health

How to prevent heart disease: what a cardiologist actually advises

A large part of your heart disease risk is in your own hands. Not smoking, staying active, eating well and keeping an eye on your blood pressure make…

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Health

Healthy skin: what a dermatologist actually recommends

Healthy skin comes down to a handful of habits, not expensive pots of cream: protect yourself from the sun, don't strip your skin by over-washing, keep it moisturised,…

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Health

Healthy kidneys: how to protect them

The best way to protect your kidneys is to keep your blood pressure in check, go easy on salt, stay a healthy weight and keep moving. Your kidneys…

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Health

Underactive thyroid: symptoms and what actually helps

An underactive thyroid means your thyroid isn't making enough thyroid hormone, which slows your whole metabolism down and leaves you tired, cold and gaining weight. It's common, easy…

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Health

Always Tired and Sleeping Badly? Here’s What Actually Helps

If you're constantly tired, sleeping badly and quick to snap, the most common cause isn't laziness or a deficiency. It's usually chronic stress, a body that has been…

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Nutrition

Food for your brain: how to eat for a sharper mind

Your brain does best on oily fish (for omega-3), plenty of vegetables and fruit, wholegrains, nuts and pulses, with olive oil as your main fat. What you eat…

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Nutrition

Gut Health: Why Fibre Matters More Than Probiotics

If you want better gut health, start by feeding your gut bacteria with fibre, not by trying to add new ones with probiotic pills. Most probiotics do surprisingly…

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Nutrition

Losing fat without losing muscle: how to cut in 30 days

To lose fat without losing muscle, hold a daily calorie deficit of 500 to 800 kcal (no more than 20 to 25% below maintenance), eat around 2 g…

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Nutrition

More carbs = a better cut? Here’s what the science says

Yes, keeping your carbs high can help you cut, as long as you stay in a calorie deficit. Most people drop their carbs and push up fat and…

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Training

Form vs weight for muscle growth: does perfect technique matter?

Your technique only needs to be good enough to load the muscle you're actually trying to work, not so obsessively perfect that your intensity suffers. "Technique over weight"…

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Training

Why You’re Not Growing, Even Though You Train Hard

If your muscle growth has stalled despite training hard, it almost always comes down to one thing: you're not making real progress. Sweating and feeling the burn is…

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Nutrition

Carbs or protein: which matters more for muscle growth?

For recovery and muscle growth, carbs matter at least as much as protein, and when you are dieting they arguably matter more. Everyone obsesses over protein, but pro…

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Health

How to raise testosterone naturally: what doctors actually say

The honest answer: for most men, the biggest lever is lifestyle, not a supplement. Losing excess body fat, training, sleeping well, keeping stress in check and eating properly…

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Training

The best training split: full body, upper/lower or push pull legs?

There is no single best split. The one rule that actually matters is training each muscle group at least twice a week, and your split simply falls out…

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Training

Progressive overload: how to actually build muscle every week

Progressive overload means gradually asking more of a muscle over time, and it's the single biggest driver of muscle growth. The catch is that most people get it…

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Nutrition

How to bulk healthily: the science behind a good lean bulk

To bulk healthily, eat in a small surplus of around 10% above your maintenance calories, hit roughly 2g of protein and 1g of fat per kilo of bodyweight,…

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Training

How Many Sets Per Muscle Group For Muscle Growth?

For most people, 10 to 20 hard sets per muscle group per week is the sweet spot for building muscle. The exact number depends on the person and…

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Nutrition

Omega-3: Why These Fatty Acids Are Good for Your Health

Omega-3 is a group of essential fats that your body needs but can't make well on its own, and the two that matter most (EPA and DHA) come…

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Supplements

Zinc: what it does and when it’s worth taking

Zinc is an essential trace mineral that supports your immune system, skin, hormones and recovery, but most people who eat a varied diet already get enough and don't…

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Supplements

Vitamin B12: deficiency, symptoms and supplements explained

Vitamin B12 comes mainly from animal foods like meat, fish, eggs and dairy. If you eat enough of these you'll usually get plenty, but if you eat little…

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Nutrition

Iron and iron deficiency: everything you need to know

Iron is the mineral your body uses to carry oxygen in your blood, so a shortage tends to leave you tired and short of breath. But don't reach…

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Supplements

Vitamin C: what it does and how much you actually need

Vitamin C keeps your immune system, skin and blood vessels working properly, and it's a job your body can't do on its own, so you need a little…

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Supplements

Folic acid: what it does and why it matters in pregnancy

Folic acid is the vitamin your body uses to build new cells, and it matters most around pregnancy. Most people who eat a varied diet get enough of…

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Supplements

Best plant-based protein shake (vegan protein) compared

The best plant-based protein shake is a blend, usually pea plus rice, or a naturally complete protein like soya, with a high protein content per serving and a…

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Health

How Much Sleep Do You Actually Need?

Everyone says you need 7 to 9 hours of sleep. But here's the honest truth: that advice is outdated. Sleep researcher Merijn van de Laar has a reassuring…

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Supplements

L-carnitine: does it actually work for fat loss?

For healthy people eating a normal diet, L-carnitine's fat-loss claims are poorly backed by science. Your body makes its own and you get plenty from meat and fish.…

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Supplements

Citrulline: how it works, dosing and evidence

Citrulline helps your muscles get more blood flow by boosting nitric oxide, which gives you a better pump and can squeeze out a few extra reps during training.…

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Supplements

Beta-alanine: how it works, dosage and whether it’s worth it

Beta-alanine is one of the few sports supplements with solid research behind it. It won't make you stronger or more muscular, but it can make the difference in…

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Supplements

Is Creatine Bad for Your Kidneys? The Truth Explained

No, creatine is not bad for your kidneys if you have normal kidney function. It's one of the most misunderstood myths in fitness, rooted in a simple name…

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Supplements

Cheapest protein bars: compare price and protein per bar

Most protein bars contain 15–25g of protein and cost between £0.80 and £2.50 per bar, but price and quality vary hugely. Knowing how to compare bars on price…

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Supplements

Best clear whey protein: the clearest choice for UK shoppers

Clear whey is a light, juice-like protein drink instead of the traditional creamy shake. You mix it with water to get a refreshing, see-through beverage that tastes more…

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Nutrition

How much protein do you really need per day?

You need more than the 0.8 grams per kilogramme the government recommends—unless you barely exercise. That figure is a survival minimum, not a target. If you strength train,…

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Supplements

Creatine monohydrate: how much per day, and is it worth it?

For most people, 3 to 5 grams of creatine monohydrate a day is all you need. You don't have to load, you don't need the expensive "advanced" versions,…

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Supplements

Taurine: what it is, what it does, and why it’s in energy drinks

Taurine is een lichaamseigen stof die je vooral kent van energydrinks. Maar wat doet het echt? Je leest hier wat taurine is, welke functies het in je lichaam heeft, waarom het in energydrinks zit, of het gevaarlijk is en wanneer extra taurine zinvol kan zijn.

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