If young guys eat protein before bed while lifting weights for 12 weeks, they gain more leg muscle than those who don’t — about twice as much, according to one study.

61

Pro

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Against

Evidence from Studies

Supporting (1)

61

Community contributions welcome

61

Protein Ingestion before Sleep Increases Muscle Mass and Strength Gains during Prolonged Resistance-Type Exercise Training in Healthy Young Men.

Randomized Controlled Trial

Human

2015 Jun

The study gave protein to men before bed during 12 weeks of weight training and found their leg muscles grew more than those who didn’t get protein — exactly what the claim says.

Contradicting (0)

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No contradicting evidence found

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According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.

Source Study

Protein Ingestion before Sleep Increases Muscle Mass and Strength Gains during Prolonged Resistance-Type Exercise Training in Healthy Young Men.

Score: 61

DOI: 10.3945/jn.114.208371

Similar Assertions

If young, healthy guys lift weights for 12 weeks and drink a protein shake before bed, they might gain more leg muscle than those who don’t — about the size of a small egg more.

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If young, healthy guys lift weights for 12 weeks and drink a protein shake before bed, they get way stronger than those who don’t — like 30 more pounds on their lifts.

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