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Review
. 2024 Oct 8;16(19):3403.
doi: 10.3390/nu16193403.

The Effects of Collagen Peptides as a Dietary Supplement on Muscle Damage Recovery and Fatigue Responses: An Integrative Review

Pedro Augusto Querido Inacio  1 , Yasmin Salgado Mussel Gomes  2 , Ana Julia Nunes de Aguiar  1 , Pedro Sardinha Leonardo Lopes-Martins  2 , Flávio Aimbire  3 , Patrícia Sardinha Leonardo  4 , Alberto Souza Sá Filho  1 , Rodrigo Alvaro B Lopes-Martins  2   5
Affiliations
Review

The Effects of Collagen Peptides as a Dietary Supplement on Muscle Damage Recovery and Fatigue Responses: An Integrative Review

Pedro Augusto Querido Inacio et al. Nutrients. .

Abstract

Background/objectives: The oral administration of hydrolyzed collagen peptides is a scientifically validated intervention for enhancing skeletal muscle health and performance. This integrative review consolidates the evidence supporting the use of low molecular weight collagen peptides (2000-3500 daltons) for their superior bioavailability and absorption. Our objective was to review the effects of collagen peptide or hydrolyzed collagen supplementation on muscle damage, recovery, and construction related to physical exercise.

Methods: A bibliographic search was conducted in major English-language databases, including PubMed/Medline, using terms like "Peptides Collagen and Damage" and "collagen peptides AND Soreness Muscle". This review followed PRISMA guidelines, with bias risk assessed via the PEDro scale. The inclusion criteria were (a) randomized clinical trials, (b) randomized studies in humans with a control or placebo group, (c) studies assessing muscle damage or delayed onset muscle soreness via physiological markers or strength performance tests, and (d) studies using hydrolyzed collagen or collagen peptides.

Results: Initially, 752 articles were identified. After applying the inclusion and exclusion criteria, including duplicate removal, eight articles with 286 participants were included. Of these, 130 participants received collagen peptide supplementation, while 171 received a placebo or control.

Conclusion: This integrative review supports the potential of collagen peptide supplementation to mitigate muscle stress from acute strenuous resistance training. However, due to the methodological heterogeneity among the studies, further clinical trials are needed to clarify the mechanisms underlying muscle improvement with collagen supplementation.

Keywords: collagen peptides; hydrolyzed collagen; muscle mass; muscle recovery.

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Conflict of interest statement

The authors declare no conflicts of interest.

Figures

Figure 1
Figure 1
PRISMA Flowchart. Database articles included and excluded in review.
See this image and copyright information in PMC

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