what does ghk cu peptides do GHK-CU – Research Peptide GHK-Cu Copper Peptide for Anti-Aging
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Local vs Systemic Injection Research demonstrates that BPC-157 exhibits both targeted local effects and systemic migration to areas of tissue damage

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And he notes certain peptides like thymosin alpha 1 have more human data behind them
doi: 10.1016/j.heliyon.2022.e08831

& Chen, W
