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Your natural GHK-Cu levels decline roughly 60% by age 60
PE-22-28 offers a cleaner evidence base and a well-characterized pharmacological target, but its cognitive effects remain inferential rather than directly demonstrated
Err on the side of caution and discontinue use when planning pregnancy or while nursing
[2] 10mg Vial Specifications Sequence: Gly-Glu-Pro-Pro-Pro-Gly-Lys-Pro-Ala-Asp-Asp-Ala-Gly-Leu-Val Molecular Formula: CHNO Molecular Weight: 1,419.5 Da Purity: 99% (third-party HPLC verified) Form: Lyophilized (freeze-dried) powder Vial Size: 10 mg Storage: 20 C (long-term)
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