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

The Supplement Sort: What Eight Research Teams Found When They Tested Everything on the Shelf

Creatine to collagen, fat burners to fish oil — eight categories tested against the same evidence standard so you can compare them side by side.

Creatine is just water weight
Fat burners boost your metabolism
BCAAs are essential for muscle growth
You need protein powder for muscle
8 studies 5 meta-analyses Triple-verified Explore cluster →
All recipes →
Tacos with Cod & Bell Pepper Strips
dinner
Tacos with Cod & Bell Pepper Strips
15 min · 393 kcal
Sweet Chili Noodles with Marinated Salmon
dinner
Sweet Chili Noodles with Marinated Salmon
25 min · 850 kcal
Curried Turkey Salad Sandwich
lunch
Curried Turkey Salad Sandwich
5 min · 546 kcal
Fish Oil and Muscle: What 6 Studies Actually Found
Collagen for Training: What 19 Studies Actually Found
Researchers Checked 50 Testosterone Boosters for Evidence
Fat Burners vs Diet & Exercise: 21 Studies, One Answer
Do BCAAs Build Muscle? 22 Studies. One Winner.
Caffeine Makes You Stronger. Here’s How Much.
Researchers Ranked Every Protein Supplement. Only 2 Worked.
100+ Creatine Trials Exposed: Real Muscle or Water?
All shorts →
Supplements

The set you credit to pre-workout sits where the curve has nearly flattened.

Pre-Workout Gave You One More Set. Growth Didn’t Notice.
3 min read 602 words
Supplements

Every pre-workout label runs the same two promises side by side. Metabolic support — your body burning extra calories at rest. Performance support — pushing harder at the gym. Most people rank them without thinking about it. The metabolic part feels like free work. The performance part feels like something you could just will yourself into.

Caffeine Burns Fat and Helps You Train Harder. One of Those Is Real.
2 min read 470 words
Supplements

The bottle sits next to the protein tub, part of the morning lineup. You pop the lid, shake out the pill, and read the label one more time before swallowing: 100% Daily Value of iron, vitamin D, zinc, magnesium, every B vitamin the alphabet has. The multivitamin is the responsible purchase — the supplement that covers what the protein powder and the creatine cannot.

The 100% on Your Multivitamin Label Measured the Wrong Standard
3 min read 636 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.
Explore full Supplements cluster

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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