Lyophilized GHK-Cu should be stored at -20C and protected from light, as the copper complex can undergo photodegradation
This gradual escalation prevents overwhelming side effects like flushing, nausea, or headaches that occur when starting at high doses, allows the pituitary to adapt to regular stimulation improving long-term response, and provides opportunity to identify minimal effective dose avoiding unnecessary higher dosing and associated costs
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Zhang W, Ou Z, Tang T, Yang T, Li Y, Wu H, et al
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