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GHK-Cu works through multiple mechanisms simultaneously: Patients treated with GHK-Cu at OC Wellness report benefits including: GHK-Cu has been the subject of over four decades of research, with studies published in leading journals including PLOS ONE, Annals of the New York Academy of Sciences, and the Journal of Peptide Science

Kuang L, Chen Q, Liu Z, Wu L, Wu S

A study revealed that L-methionine supplementation (1.7 g/kg/day, P.O for 8 weeks) was sufficient to produce hyperhomocysteinemia in rats and markedly increased the mean arterial pressure, oxidative stress and mean cardiomyocyte diameter [107]

Enantioselective pharmacokinetics and bioavailability of different racemic alpha-lipoic acid formulations in healthy volunteers