*Références :
Publications et études
Limites : La plupart des études portent sur des durées de 8-12 semaines. Les effets à très long terme (>1 an) restent peu documentés. Les populations étudiées sont principalement des adultes en bonne santé ; davantage de recherches sont nécessaires pour les personnes âgées fragiles.
(1) de Miranda RB, Weimer P, Rossi RC. Effects of hydrolyzed collagen supplementation on skin aging: a systematic review and meta-analysis. Int J Dermatol. 2021 Dec;60(12):1449-1461. doi: 10.1111/ijd.15518
(2) Pu SY, Huang YL, Pu CM, et al. Effects of Oral Collagen for Skin Anti-Aging: A Systematic Review and Meta-Analysis. Nutrients. 2023 Apr 26;15(9):2080. doi: 10.3390/nu15092080
(3) Simental-Mendía M, Ortega-Mata D, Acosta-Olivo CA, et al. Effect of collagen supplementation on knee osteoarthritis: an updated systematic review and meta-analysis of randomised controlled trials. Clin Exp Rheumatol. 2025 Jan;43(1):126-134. doi: 10.55563/clinexprheumatol/kflfr5
(4) Thomas C, Kingshott RN, Allott KM, et al. Collagen peptide supplementation before bedtime reduces sleep fragmentation and improves cognitive function in physically active males with sleep complaints. Eur J Nutr. 2023 Oct 24;63:323–335. doi: 10.1007/s00394-023-03267-w
(5) Paul C, Leser S, Oesser S. Significant Amounts of Functional Collagen Peptides Can Be Incorporated in the Diet While Maintaining Indispensable Amino Acid Balance. Nutrients. 2019 May 15;11(5):1079. doi: 10.3390/nu11051079
(6) Bannai M, Kawai N. New therapeutic strategy for amino acid medicine: glycine improves the quality of sleep. J Pharmacol Sci. 2012;118(2):145-8. doi: 10.1254/jphs.11r04fm
(9) Yamadera W, Inagawa K, Chiba S, et al. Glycine ingestion improves subjective sleep quality in human volunteers, correlating with polysomnographic changes. Sleep Biol Rhythms. 2007;5:126-131. doi: 10.1111/j.1479-8425.2007.00262.x
(7) Clifford T, Ventress M, Allerton DM, et al. The effects of collagen peptides on muscle damage, inflammation and bone turnover following exercise: a randomized, controlled trial. Amino Acids. 2019 Apr;51(4):691-704. doi: 10.1007/s00726-019-02706-5
(8) Razak MA, Begum PS, Viswanath B, Rajagopal S. Multifarious Beneficial Effect of Nonessential Amino Acid, Glycine: A Review. Oxid Med Cell Longev. 2017;2017:1716701. doi: 10.1155/2017/1716701
(10) Shaw G, Lee-Barthel A, Ross ML, et al. Vitamin C–enriched gelatin supplementation before intermittent activity augments collagen synthesis. Am J Clin Nutr. 2017;105:136–143. doi: 10.3945/ajcn.116.138594
(11) León-López A, Morales-Peñaloza A, Martínez-Juárez VM, et al. Hydrolyzed Collagen - Sources and Applications. Molecules. 2019 Nov;24(22):4031. doi: 10.3390/molecules24224031
(12) Zdzieblik D, Oesser S, Baumstark MW, et al. Collagen peptide supplementation in combination with resistance training improves body composition and increases muscle strength in elderly sarcopenic men: a randomised controlled trial. Br J Nutr. 2015 Oct 28;114(8):1237-45. doi: 10.1017/S0007114515002810
(13) König D, Oesser S, Scharla S, et al. Specific Collagen Peptides Improve Bone Mineral Density and Bone Markers in Postmenopausal Women - A Randomized Controlled Study. Nutrients. 2018 Jan;10(1):97. doi: 10.3390/nu10010097
(14) Proksch E, Segger D, Degwert J, et al. Oral supplementation of specific collagen peptides has beneficial effects on human skin physiology: a double-blind, placebo-controlled study. Skin Pharmacol Physiol. 2014;27(1):47-55. doi: 10.1159/000351376