Once introduced into the body, it inhibits tyrosinase, an enzyme responsible for melanin production
This observation led to the hypothesis that GHK supplementation could partially reverse the age-related decline in regenerative processes
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Storage conditions, packaging and the type of vitamin all play a role in determining shelf life
While animal studies show promising results for tendon, muscle, and ligament repair, there are zero controlled human safety trials, and research suggests 12% to 58% of peptide products are contaminated, which is why the FDA classifies it as Category 2, and it's banned by WADA, NCAA, NFL, NBA, MLB, NHL, UFC, and PGA
Ismail H, Shakkour Z, Tabet M, Abdelhady S, Kobaisi A, Abedi R, et al