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It is often chosen by individuals who prioritize restorative sleep, stress resilience, or recovery as part of their longevity and wellness goals

They are different peptides with different roles

Both routes are heading to the same destination: PCAC review before February 2027, where the committee will evaluate whether GHK-Cu (in both forms) should be added to the 503A compounding list

But this is a convenience preference, not a chemical necessity

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