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In-vitro fibroblast studies indicate that GHK-Cu upregulates transcription of collagen and elastin genes and supplies copper as a cofactor for lysyl oxidase, the enzyme that cross-links these matrix proteins

Concentrations above 2 percent are rarely necessary and may increase irritation risk without proportional benefit

Oral delivery is the most effective for treating gastrointestinal issues

In 67% of the studies (n = 8), the adequacy of follow-up of cohorts was not described

Its often found in many multivitamin supplements as well

The average weight loss was approximately 15% of body weight, with many participants achieving even greater reductions