Adding Collagen Peptides to Whey Protein Doesn't Help Muscle Recovery in Fit Males
Replacing part of a whey protein dose with collagen peptides provided no additional benefit for muscle damage or recovery during eccentric exercise in fit young men.
Quick Facts
What This Study Found
Partly replacing whey protein with collagen peptides (20g collagen + 25g whey vs. 45g whey alone) provided no additional benefit for muscle damage or functional recovery during eccentric exercise training.
Key Numbers
20 g collagen peptides + 25 g whey protein vs. 45 g whey protein alone. Participants were young fit males doing eccentric exercise training.
How They Did This
Randomized controlled trial comparing combined collagen-whey supplementation versus whey alone during eccentric exercise training in fit males.
Why This Research Matters
Collagen peptides are heavily marketed for muscle and joint recovery. This study provides evidence that for fit individuals already consuming adequate protein, adding collagen peptides does not offer extra muscle recovery benefits.
The Bigger Picture
Collagen peptides are heavily marketed for muscle and joint recovery. This study shows that for fit individuals already consuming adequate protein, replacing some whey with collagen provides no additional recovery benefit from eccentric exercise.
What This Study Doesn't Tell Us
Only tested in young fit males, so results may differ in older adults or less trained individuals. The study used eccentric exercise specifically.
Questions This Raises
- ?Would collagen peptides help older or less-trained individuals?
- ?Do collagen peptides provide benefits for joints rather than muscles?
Trust & Context
- Key Stat:
- No benefit from collagen addition Partly replacing whey with collagen peptides (20g collagen + 25g whey vs 45g whey) made no difference for muscle recovery in fit males
- Evidence Grade:
- Rated moderate: randomized controlled trial with appropriate design, but limited to one specific population (young fit males) and exercise type.
- Study Age:
- Published in 2024. Provides evidence-based counterpoint to collagen peptide marketing claims for athletic recovery.
- Original Title:
- Partly Substituting Whey for Collagen Peptide Supplementation Improves Neither Indices of Muscle Damage Nor Recovery of Functional Capacity During Eccentric Exercise Training in Fit Males.
- Published In:
- International journal of sport nutrition and exercise metabolism, 34(2), 69-78 (2024)
- Database ID:
- RPEP-09156
Evidence Hierarchy
Frequently Asked Questions
Should I take collagen peptides for muscle recovery?
If you're young and fit and already consuming enough protein, this study shows adding collagen peptides to your protein intake doesn't improve muscle recovery.
When might collagen peptides help?
They may benefit older adults, those with joint issues, or those with inadequate total protein intake — but these populations weren't studied here.
Read More on RethinkPeptides
Cite This Study
https://rethinkpeptides.com/research/RPEP-09156APA
Robberechts, Ruben; Poffé, Chiel; Ampe, Noémie; Bogaerts, Stijn; Hespel, Peter. (2024). Partly Substituting Whey for Collagen Peptide Supplementation Improves Neither Indices of Muscle Damage Nor Recovery of Functional Capacity During Eccentric Exercise Training in Fit Males.. International journal of sport nutrition and exercise metabolism, 34(2), 69-78. https://doi.org/10.1123/ijsnem.2023-0070
MLA
Robberechts, Ruben, et al. "Partly Substituting Whey for Collagen Peptide Supplementation Improves Neither Indices of Muscle Damage Nor Recovery of Functional Capacity During Eccentric Exercise Training in Fit Males.." International journal of sport nutrition and exercise metabolism, 2024. https://doi.org/10.1123/ijsnem.2023-0070
RethinkPeptides
RethinkPeptides Research Database. "Partly Substituting Whey for Collagen Peptide Supplementatio..." RPEP-09156. Retrieved from https://rethinkpeptides.com/research/robberechts-2024-partly-substituting-whey-for
Access the Original Study
Study data sourced from PubMed, a service of the U.S. National Library of Medicine, National Institutes of Health.
This study breakdown was produced by the RethinkPeptides research team. We analyze and report published research findings without making health recommendations. All interpretations are based solely on the published abstract and study data.