Short-term studies havent found acute safety issues, but because there are no long-term human studies, its safety over time is unknown
Chan DA, Sutphin PD, Nguyen P, Turcotte S, Lai EW, Banh A, et al
Stockhammer, F
in Germany reported the efficacy and safety of a hydrolyzed collagen peptide (HCP) supplement (a commercial product called Colla Sel Pro) in improving skin health in adult female individuals in a double-blind, randomized, placebo-controlled trial using biophysical (Callegari Soft-Plus device) and skin imaging (3D) techniques [48]
Anti-Aging Properties of Glutathione Glutathione purges your liver and frees you of toxins, as an anti-oxidant
According to information referenced by Harvard Health, vitamin B12 deficiency may play a role in premature gray hair