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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[J]
According to some older research and animal studies, it may treat various issues, including sexual concerns like ED and low libido
So Jeong Kim, Hee Seung Lee, Moon Jae Chung, Jeong Youp Park, Seung Woo Park, Seungmin Bang Journal of Digestive Cancer Research.2026
Nizami ZN, Aburawi HE, Semlali A, Muhammad K, Iratni R
13 C NMR (125 MHz, DMSO- d 6 ): 18.0, 20.5, 21.8, 29.0, 45.9, 47.3, 118.4, 120.0, 128.7, 148.2, 157.0, 159.9
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