The role of molecular weight and hydroxyproline in collagen supplements
In this randomized controlled trial, a collagen supplement enriched in hydroxyproline peptides and with a low average molecular weight increased collagen content in the skin of participants more than standard hydrolyzed collagen.
Collagen supplementation for sleep among physically active men
Could supplementing with glycine and N-acetylcysteine improve “hallmarks of aging”?
Glycine as a biomarker for hunger
Glycine and NAC reduce markers of premature aging in HIV patients