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The honest answer is that the human safety data is limited compared to decades-old pharmaceuticals, but the preclinical safety record across multiple species is unusually clean for a peptide with this level of biological activity

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

Any discussion of specific peptides or potential research findings is informational only and must not be interpreted as guidance for use in or on humans or animals

Therapeutic peptides mimic natural hormones and signaling molecules to promote benefits like improved metabolism, immune function, muscle growth and antiaging