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GHK-Cu has a broader body of research related to skin, collagen, inflammation, and tissue repair
Depending on your personal preference, that can be a good or bad thingin a similar way that the effects of a tanning bed can be considered both good and bad
The Endocrine Society's 2020 position statement on compounded hormones and peptides emphasizes that "compounded preparations should be used only when an FDA-approved product is not available or is not suitable for a particular patient" [12]
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