How long will a 50 mg supply of GHKCu last when dosing 2 mg daily for five consecutive days followed by two days off each week? Anti Aging] "Combining GHK Cu with red light has seen a 70% increase in collagen and a 230% increase in fibroblasts." Study with foundations out of MIT & Harvard. At a dose only required GHK CU 50 mg LIVV GHK Cu Peptide Dosage How to Use Copper Peptides, Injections Neurogan Health Amazon.com: GHK Cu Copper Peptide Supplement, Anti Aging & Hair Growth Support, Improves Skin Elasticity & Firmness, Thicker, Fuller Hair, Easy Absorption, Precisely Dosed, 90 Vegan Capsules : Health & Household