ghk- cu peptide GHK-Cu - for Collagen, Healing & Anti-Aging GHK-Cu

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I still lift weights 2-4 days a week, but my main exercise comes from outdoor activity like hiking, kayaking, anything that gets me outside

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In biological systems, this lack of binding affinity prevents rapid clearance, resulting in a half-life approximately 120 times longer than endogenous IGF-1