Evidence-based nutrition

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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.

98 Studies
106 Claims
14 Guides
525 Shorts
1,000+ Recipes
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Shakshuka with Ground Beef & Eggplant
dinner
Shakshuka with Ground Beef & Eggplant
20 min · 394 kcal
Pumpkin Skillet with Ground Beef & Egg
dinner
Pumpkin Skillet with Ground Beef & Egg
15 min · 332 kcal
Zucchini, Mango & Spicy Tofu Salad
lunch
Zucchini, Mango & Spicy Tofu Salad
15 min · 653 kcal
WOMEN’S FITNESS & HORMONES
Women, Hormones, and Training: What 78 Studies, 3 Life Stages, and Nearly 3,000 Women Actually Found
6 studies
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AGING & MUSCLE PRESERVATION
What 300+ trials found about your muscles after 40
10 studies
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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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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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FOOD SCIENCE & BIOAVAILABILITY
The Definitive Guide — coming soon
All shorts →
Sleep & Recovery

The alarm fires at 5:30 and you're up. Not dragging, not groggy, not bargaining with the snooze button. You shower, you eat, you train before the day starts. Five, maybe six hours of sleep, and you feel... fine. Not perfect, not electric, but completely functional.

Why 6 Hours Feels Like Enough
2 min read 558 words
Sleep & Recovery

Five hours of sleep. The math starts before you're fully awake — drop the squat weight by ten percent, skip the heavy single, maybe cut the session short. You've made this calculation before. Bad night, lighter day.

What Bad Sleep Actually Turns Off Before You Train
3 min read 736 words
Sleep & Recovery

Ice baths suppress a growth signal inside muscle after training. Daily ibuprofen can roughly halve muscle growth. The pattern writes itself: both tools lower post-exercise inflammation, and in both cases, that’s where the cost comes from. Massage lowers inflammation more than either of them. Across a meta-analysis ranking every major recovery modality by two key inflammatory markers, massage finished first — above cold water immersion, above compression, above everything else studied. If reducing inflammation is what costs muscle, the single best inflammation reducer should cost the most.

Massage Lowers Inflammation More Than Ice Baths. The Growth Pathways Can’t Tell.
2 min read 520 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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