Ingestion of a Whey Plus Collagen Protein Blend Increases Myofibrillar and Muscle Connective Protein Synthesis Rates

Nov 6, 2024Medicine and science in sports and exercise

Eating a Whey and Collagen Protein Mix Increases Muscle Fiber and Connective Tissue Protein Growth

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Abstract

Ingestion of a whey and collagen protein blend (25 g whey/5 g collagen) increases rates at rest and during recovery from exercise.

  • Post-prandial plasma amino acid concentrations, including leucine and glycine, significantly increased following protein ingestion.
  • Myofibrillar protein synthesis rates were higher in the exercised leg compared to the rested leg.
  • The whey and collagen blend resulted in greater myofibrillar protein synthesis rates compared to the placebo in both rested and exercised legs.
  • rates were higher in the protein blend group compared to the placebo in the rested leg, but not in the exercised leg.

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Key numbers

0.038 ± 0.008%·h
Increase in Rate (Rested Leg)
rates in vs. .
0.062 ± 0.013%·h
Increase in Rate (Rested Leg)
rates in vs. .
28
Participants
Total number of healthy, recreationally active men in the study.

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