Here are our top recommendations for maximizing the longevity and efficacy of your GHK-Cu: Immediate Cold Storage: Upon receipt, immediately place your unopened GHK-Cu vial in a freezer (-20C) for long-term storage, or a refrigerator (2-8C) if you plan to use it within a few weeks
They review your medical history, current medications, and goals
Kecel-Gunduza, S., Kocb, E., Bicaka, B., Kokcub, Y., Ozela, A
Potential Benefits & Side Effects Evidence tier: a single ex-vivo / in-vitro study for AHK-Cu, class-level animal data for GHK-Cu, and no human trial by any route
Journal of Environmental Chemical Engineering, 9 (6), 106491