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Studies, most of them small, have shown collagen peptide supplements to improve joint function, reduce joint pain and contribute to reducing or delaying skin aging while improving skin elasticity and hydration
Reasoning: This was a highly significant switch in 2017
(PubMed) Bitanihirwe BK, Cunningham MG
No liver enzyme improvement after 8 weeks in users with elevated baseline confirm product quality (COA), consider route upgrade (oral to injectable/IV), and evaluate whether the elevation has a non-oxidative etiology
Combining Injectable with Topical Application Maximum results often come from combining injectable GHK-Cu with topical scalp application
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