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A 15-residue fragment of this parent protein retained much of the biological activity observed in early experiments, and that fragment is the molecule sold here as BPC-157 Optimal Electrolyte (Flavor):Berry https://www.kearneymd.com/wp-content/uploads/2026/04/Non-Surgical%E2%86%92-Vitamin-Shot-Bar.png ghk cu peptide injection site ghk-cu sites red Unfortunately, can sting, irritate and leave lumps GHK-CU- Cosmetic for Healthy Skin Aging and Wrinkle Support

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