Lifting weights helps your muscles rebuild their internal support structure while you sleep by boosting protein production in the connective tissue inside the muscle.

Pro

Against

Evidence from Studies

Supporting (1)

Community contributions welcome

Casein Ingestion Does Not Increase Muscle Connective Tissue Protein Synthesis Rates

Randomized Controlled Trial

Human

2020 Sep

Contradicting (0)

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No contradicting evidence found

Gold Standard Evidence Needed

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

Casein Ingestion Does Not Increase Muscle Connective Tissue Protein Synthesis Rates

Score: 60

DOI: 10.1249/MSS.0000000000002337

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