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can u take ghk cu orally GHK-Cu - Peptide for Collagen, Healing & Anti-Aging Neurogan Health GHK-CU Copper Peptide,
Description
J Transl Sci
Side effects are expected pharmacological responses (flushing from vasodilation, fatigue from healing processes)

Aging skin is the result of several internal and external factors working together over time

doi: 10.1001/jama.1961.73040330027011c
Research reference only, not medical advice
