precursors to glutathione Mode of action of Amino acid (GAP) and functions Dr. Gorana Epstein | ✨

Topical Dosing Protocols GHK-Cu topical formulations have been studied in clinical trials for over two decades, making this the most evidence-supported delivery route

Any returned items will be refunded to the original method of payment used at checkout, at the price paid and subject to our Return Policy found at The NIOD Welcome Discount Code Promotion (the Promotion ) is available to Eligible Customers from 12:00 AM EST May 1, 2026, to 11:59 PM EST March 31, 2027 (the Promotion Period )

The Advanced Eyelash Formula from Vitali uses GHK-Cu to help soothe the delicate skin around the eyes and strengthen lash follicles without stinging or disrupting the sensitive skin around the eyes

Vota DM, Crisp RL, Nesse AB, Vittori DC

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This product is supplied strictly for laboratory research and analytical purposes only