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In fibroblast cultures, GHK-Cu has been shown to increase proliferation and upregulate markers of regenerative potential, such as integrins and p63, indicative of enhanced stemness and reparative capacity (Pickart and Margolina 2018
(2006) 291:G17
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WADA prohibits ibutamoren at all times under its S2 category (peptide hormones, growth factors, related substances and mimetics), so tested athletes face sanctions for any use
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