Evidence-based nutrition

We read the studies. You get the answers.

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Every claim verified against peer-reviewed research. Every guide narrated so you can listen while you cook. Every meal plan built for your body.

90 Studies
101 Claims
13 Guides
412 Shorts
1,000+ Recipes
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Rice Cakes with Cream Cheese & Banana
snack
Rice Cakes with Cream Cheese & Banana
3 min · 306 kcal
Spicy Noodle Bowl with Teriyaki Mushrooms & Green Beans
dinner
Spicy Noodle Bowl with Teriyaki Mushrooms & Green Beans
20 min · 706 kcal
Spanish Lentil Soup with Shrimp
lunch
Spanish Lentil Soup with Shrimp
15 min · 401 kcal
TRAINING
The complete evidence guide to exercise and body composition
8 studies
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PROTEIN
Protein Intake: What 9 Studies Found (and What the Internet Added)
9 studies · 4 RCTs
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AGING & MUSCLE PRESERVATION
What 300+ trials found about your muscles after 40
10 studies
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SUPPLEMENTS
The Supplement Sort: What Eight Research Teams Found When They Tested Everything on the Shelf
8 studies
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MICRONUTRIENTS & MINERALS
Six Mineral Supplements Tested. One Rule Predicted Every Result.
6 studies
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CALORIES & METABOLISM
Calories and Metabolism: Your Engine Is Fine, Your Gauge Is Broken
8 studies
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FAT LOSS
How fat loss actually works
6 studies
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SLEEP & RECOVERY
Sleep and Muscle Growth: What 15 Studies Actually Found
8 studies · 4 RCTs
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RECOVERY
Recovery: What Works, What Doesn't, and What's Quietly Costing You Muscle
7 studies · 1 RCTs
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MINDSET & ADHERENCE
Why Diets Fail (And Why It Was Never About the Diet)
7 studies · 3 RCTs
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CARBS
Carbs and body composition: everything the evidence actually says
10 studies · 4 RCTs
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DIETARY FAT
How Much Fat Per Day? Three Research Programs, One Answer Nobody Assembled
5 studies · 3 RCTs
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MEAL TIMING
When You Eat vs. What You Eat: 5 Trials, 774 People
7 studies · 4 RCTs
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WOMEN’S FITNESS & HORMONES
The Definitive Guide — coming soon
All shorts →
Protein

The mercury warning follows tuna everywhere. Every can, every recipe, every mealprep container carries the same background noise: this fish has mercury, and there is nothing in it working against that. Tuna carries a specialized compound that directly reduces the toxicity of its own mercury. It was identified only in 2010, it carries a name the fitness world has never picked up, and it makes up nearly all of the selenium in tuna muscle.

Tuna’s Mercury Defense Has a Name Almost Nobody Knows
2 min read 513 words
Supplements

Take creatine with juice, a banana, a bowl of rice. The advice saturates every supplement forum, and the reasoning sounds airtight: carbs spike insulin, insulin shuttles creatine into muscle, and without that spike your body never fully absorbs it. You’ve been told this is about better absorption. That word — absorption — is doing all the heavy lifting in the advice you followed. And it’s the wrong word for the step the carbs are actually affecting.

Your Body Already Absorbs 99% of Your Creatine
2 min read 399 words
Nutrition

The steak from that meal is still feeding amino acids into your blood when you sit down for dinner.

Your Body Is Still Absorbing Lunch Protein at Dinner
2 min read 490 words
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FitChef is a digital publisher and evidence synthesis platform. We aggregate and structure publicly available research for informational purposes. FitChef does not perform original clinical research, provide medical advice, or offer treatment recommendations. Certainty tiers reflect the volume and agreement of the underlying evidence, not an editorial endorsement of study quality. Consult a qualified healthcare professional before making changes to your diet or exercise regimen.

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