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Ingestion of a collagen peptide containing high concentrations of prolyl-hydroxyproline and hydroxyprolyl-glycine reduces advanced glycation end products levels in the skin and subcutaneous blood vessel walls: a randomized, double-blind, placebo-controlled study.
Koizumi S, Okada Y, Miura S, Imai Y, Igase K, Ohyagi Y, Igase M. Koizumi S, et al. Biosci Biotechnol Biochem. 2023 Jul 24;87(8):883-889. doi: 10.1093/bbb/zbad065. Biosci Biotechnol Biochem. 2023. PMID: 37245058 Clinical Trial.
Management and Amelioration of Knee Joint Osteoarthritis in Adults Using a Novel High-Functional Bovine Collagen Peptide as a Nutritional Therapy: A Double-Blind, Prospective, Multicentric, Randomized, Active and Placebo Controlled, Five-Arm, Clinical Study to Evaluate the Efficacy, Safety, and Tolerability.
Devasia S, Joseph JT, P S S, Koizumi S, Clarke L, V T S, Kailas AP, Madhavan S. Devasia S, et al. Among authors: koizumi s. Cartilage. 2024 Jan 18:19476035231221211. doi: 10.1177/19476035231221211. Online ahead of print. Cartilage. 2024. PMID: 38235711 Free article.