Evidence-based nutrition

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The Definitive Guide

Protein Intake: What 9 Studies Found (and What the Internet Added)

The evidence ceiling is about 35% below what the internet tells you. The per-meal cap was a measurement artifact. The post-workout shake urgency disappears when daily intake is controlled. And the gap between where most people are and where the evidence points? About 33 grams. One chicken breast.

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Read guide
You need 1 gram of protein per pound of body weight
Your body can only absorb 30 grams per meal
You need a protein shake within 30 minutes of training
You can't build muscle and lose fat at the same time
9 studies 4 RCTs 3 meta-analyses Triple-verified Explore cluster →
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Protein

Since the day you started folding protein powder into your pancake batter, you have stopped treating protein as homework and started eating it as breakfast. Then a training partner, or a comment under somebody's recipe, tells you with total confidence that heat kills protein. Now you need a straight answer on whether baking protein powder destroys it, and whether the breakfast that fixed your protein has been quietly cooking it away.

Baked Protein Powder Keeps Its Protein but Can Lose Lysine
4 min read 853 words
Protein

The powder deep in your cabinet used to be white. Now it’s yellow at the edges, maybe clumped near the rim, and the scoop pulls up chunks that weren’t there six months ago. The date on the lid says it’s fine.

What the Expiration Date on Your Protein Powder Misses
2 min read 515 words
Training

Muscle does not wait for permission to rebuild. Within hours of a hard session, the rate of repair inside each worked fiber begins to climb, silently, without any sensation the lifter can detect. No switch flips. A chemical tide rises, peaks, and at some point starts to fall. That tide has a shape few people have ever seen mapped. And the shape varies from person to person.

How Long Your Muscles Keep Building After You Leave the Gym
3 min read 753 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 Protein 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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