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doi: 10.1016/j.ebiom.2019.08.069 [DOI] [PMC free article] [PubMed] [Google Scholar] 162.Sun Y, Qin H, Zhang H, et al

Dosing is typically 200500 mcg/day based on anecdotal protocols

Reviews published in 2025 describe a body of research dominated by animal and cell studies, with signals suggesting effects on angiogenesis (the growth of blood vessels), growth-factor signalling (mainly growth hormone) and musculoskeletal healing

The duration of results can vary, but many patients experience ongoing benefits with continued use under medical supervision

While laboratory and early clinical findings are promising in some areas, there remains: It is important to recognize that not all applications of GHK-Cu are FDA-approved

Evidence has shown that NNMT expression in white adipose tissue (WAT) is high in obesity-prone mice and low in obesity-resistant mice [2325] and significantly correlates with the percent fat mass in diet-induced obese mice [26]