Eating protein after working out doesn't change how fast your muscles break down protein - it just helps build more muscle without affecting the breakdown process.

Scientific Claim

The ingestion of protein after resistance exercise does not significantly impact muscle protein breakdown rates in healthy young men.

Original Statement

“Protein ingestion has a negligible impact on whole-body protein breakdown rates or amino acid oxidation rates.”

From study:The anabolic response to protein ingestion during recovery from exercise has no upper limit in magnitude and duration in vivo in humans

Evidence Quality Assessment

Claim Status

appropriately stated

Study Design Support

Design supports claim

Appropriate Language Strength

definitive

Can make definitive causal claims

Assessment Explanation

The study directly measured whole-body protein breakdown rates using isotope tracers and found no significant differences between conditions. The causal language is appropriate for this study design.

Evidence from Studies

Supporting (1)

The anabolic response to protein ingestion during recovery from exercise has no upper limit in magnitude and duration in vivo in humans

Randomized Controlled Trial

Human

2023 Dec 19

Contradicting (0)

No contradicting evidence found

Source Study

The anabolic response to protein ingestion during recovery from exercise has no upper limit in magnitude and duration in vivo in humans

Score: 36

DOI: 10.1016/j.xcrm.2023.101324

Similar Assertions

Eating protein after working out only increases the building of connective tissue in muscles for about 4 hours - after that, the building rate goes back to normal.

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Eating more protein after working out makes your whole body build more protein - the more protein you eat, the more protein your whole body builds.

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Eating a big protein meal (100g) after working out makes your muscles keep building for longer than a smaller meal (25g), at least for 12 hours.

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Eating protein after working out doesn't change most amino acid levels in your muscles, but it does increase the levels of branched-chain amino acids like leucine, especially with bigger protein meals.

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Eating protein after working out doesn't change most amino acid levels in your muscles - only the branched-chain amino acids like leucine increase with bigger protein meals.

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