Collagen Protein and Reduced Peptide YY Level

• The effects of collagen peptide supplementation on appetite and post-exercise energy intake in females: a randomised controlled trial.

  • 2025-07-21
  • RCT
  • The British journal of nutrition 134(4)
  • • Kirsty M Reynolds
    • Emily J Hansell
    • Josh Thorley
    • Mark P Funnell
    • Alice E Thackray
    • David J Stensel
    • Stephen J Bailey
    • Lewis J James
    • Janne Prawitt
    • Nicolina Virgilio
    • Tom Clifford

  • PubMed: 40685650
  • DOI: 10.1017/s0007114525103851

  10 Insights on

  • Reduced Peptide YY Level

  • High evidence
  • Adults

  PYY, CCK and glucose were not different between CP and placebo (P ≥ 0·100).

  Effect

  Neutral

  Effect size

  Small

  Significant

  No

  Dose

  15 g/d