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At that point, tissue-level GHK-Cu has likely returned to baseline, and the cumulative signaling advantage of the loading phase is largely lost
Further, over the past two decades, only a handful of research groups have performed in-depth studies regarding this peptide
Avoid oil-based copper peptide products like Biossance squalane formulation, which may exacerbate oiliness
Sosne, G., Qiu, P., Christopherson, P
(March)
The FDA has classified it as a Category 2 bulk drug substance, and WADA has banned it
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