Evidence-based nutrition

We read the studies. You get the answers.

The research depth of PubMed. The reading experience of a magazine. The simplicity of pressing play.

The Definitive Guide

How fat loss actually works

The difference between low-carb and balanced diets was about one kilogram. The starvation mode panic came from 14 reality TV contestants. Moderate weights preserve more muscle than heavy lifting during a cut. After 31,826 participants, the whole answer is simpler than the internet makes it sound.

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Myths we killed 4

You need a specific diet (keto, clean eating, IIFYM) to lose fat

Your metabolism is broken from dieting (starvation mode)

You must push through your diet without stopping

Going faster gets you there sooner

6 studies 3 meta-analyses Triple-verified Explore cluster →

Protein-Rich Shakshuka

dinner

Protein-Rich Shakshuka

20 min · 401 kcal

Cod with Cauliflower Mash, Brussels Sprouts & Nut Topping

dinner

Cod with Cauliflower Mash, Brussels Sprouts & Nut Topping

20 min · 424 kcal

Bacon, Corn & Bell Pepper Macaroni

dinner

Bacon, Corn & Bell Pepper Macaroni

20 min · 525 kcal

What the evidence says

How do I lose belly fat specifically — can I target it? Your body loses fat from everywhere when you eat less than you burn, but it decides the order — and belly fat is typically last to go for… 3:15 · 2 studies

Does It Matter What You Eat, or Just How Much, for Fat Loss? Your body loses fat when you eat less energy than you burn. Whether those calories come from pasta, chicken, or butter does not meaningfully change the outcome. The… 3:15 · 4 studies

Cardio vs. Weights for Fat Loss: Which Exercise Actually Changes Your Body? When you diet without exercising, roughly a quarter of the weight you lose is muscle. Adding resistance training can cut that muscle loss in half. The surprise: you… 2:45 · 3 studies

How Fast Can I Realistically Lose Fat? Losing fat faster means losing more muscle along with it. A 62-study analysis found a clear line at about 500 calories per day: below it, lifting weights protects… 2:29 · 6 studies

Can protein change whether you lose fat or muscle during a cut? When you eat fewer calories to lose weight, your body has to get energy from somewhere — either from your fat stores or from your muscle tissue. Eating… 2:50 · 3 studies

Do Diet Breaks Work — Can You Pause a Cut Without Losing Progress? Twelve studies tested what happens when dieters take planned breaks at normal calories instead of dieting straight through. Both groups lost the same amount of weight, fat, and… 2:45 · 3 studies

Is Starvation Mode Real — Will Dieting Slow Your Metabolism? When you eat less to lose weight, your body burns slightly fewer calories than expected — scientists call this adaptive thermogenesis. Across 33 studies and over 2,500 people,… 2:50 · 5 studies

How Do I Protect My Muscle Mass on Ozempic or Other GLP-1 Medications? When you lose weight in a calorie deficit, your body burns both fat and muscle for fuel. Studies found that eating enough protein and doing resistance training shifts… 3:30 · 4 studies

Do I Have to Count Calories to Lose Weight — or Is There Another Way? People who count calories lose about 3.3 kilograms more per year than people in similar programmes who don't track. That's roughly 275 grams per month — real, but… 3:20 · 3 studies

The papers we actually read

Diet Break Metabolism — The Willpower Tax Nobody Warned You About Diet breaks produced identical body composition outcomes to continuous dieting across 12 studies and 881 people, while preserving 47 more… Poon et al. · 2024 · Nutrition Reviews · n=881

Calorie Counting Adds Exactly 3.3 kg (37 Studies) Calorie counting was associated with 3.3 kg of additional weight loss over 12 months across 37 studies — a significant… Hartmann-Boyce et al. · 2014 · Obesity Reviews · n=13,453

Best Exercise to Lose Fat Not Muscle — The Scale Gets It Backwards Resistance training outranked all aerobic exercise for preserving muscle during a calorie deficit, while moderate intensity ranked above heavy —… Xie et al. · 2025 · Frontiers in Nutrition · n=4,429

Your Broken Metabolism Costs You One Tablespoon Per Day Metabolic adaptation after weight loss costs 30 to 100 calories per day — one tablespoon of peanut butter — and… Nunes et al. · 2021 · British Journal of Nutrition · n=2,528

Low-Carb vs Balanced Diet for Weight Loss — 61 Trials Later A Cochrane review of 61 trials and 6,925 people found little to no meaningful difference in weight loss between low-carbohydrate… Naude et al. · 2022 · Cochrane Database of Systematic Reviews · n=6,925

What 24 Studies Say About Protein When You’re Losing Weight Across 24 trials and 1,063 people on the same number of calories, the higher-protein group lost 0.87 kg more fat… Wycherley et al. · 2012 · The American Journal of Clinical Nutrition · n=1,063

Fat Loss

Together they move the partition from something the body imposes to something the dieter steers.

Your Body Runs a 75/25 Split Every Time You Diet

3 min read 530 words

Fat Loss

The people whose bodies fought hardest burned off more than half their daily surplus through movement they never decided to make.

Three Different Fates for Your Extra Calories

2 min read 523 words

Nutrition

The promise was built on a feeling dressed as science.

What Detox Teas and Juice Cleanses Actually Remove

3 min read 591 words

BUILT TO PROVE OURSELVES WRONG

5 verification gates. 3 pipelines. 28+ kill switches.

Nothing publishes without surviving our Skeptic Protocol — the system we built to catch our own mistakes.

Skeptic Protocol → Manifesto →

Explore full Fat-loss cluster

About FitChef

No opinions. Just the science.

We go through hundreds of studies so you don't have to. Then we turn them into stories anyone can understand — and listen to on the go.

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The research

6 peer-reviewed studies

9 claims verified

Triple-verified · DOI-linked · Kill-switched

In numbers

13stories

101claims

90studies reviewed

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