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These populations should not take it unless advised to do so by their healthcare provider
Topical GHK-Cu (serums) can generally be used continuously without cycling since systemic copper absorption through skin is minimal
381 YuanH.ZhaoH.PengK.QiR.BaiH.ZhangP.et al (2020)
Growth hormonereleasing peptides have exploded in popularity among bodybuilders, biohackers, and recovery-focused athletes and for good reason
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