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The collagen, anti-aging and healing claims rest largely on topical, in-vitro and animal data

The peptide purity and COA interpretation guide covers what researchers should verify in vendor documentation

It is essential not to misread that move: removal from the significant-risk category is not an approval, does not establish safety, and does not by itself authorize compounding the agency framed it as a procedural step ahead of a formal advisory review, not as a safety endorsement

Neurological applications remain more speculative but intriguing, with preliminary evidence suggesting GHK-Cu may enhance nerve regeneration following peripheral nerve injury and provide neuroprotective effects in models of neurodegenerative disease