ghk-cu legal for Anti-Aging: Does This Copper Peptide Really Work? GHK-Cu Peptides Before and After:

Most patients notice initial improvements reduced bloating, fewer food reactions, less abdominal discomfort within 24 weeks of starting a peptide protocol

Reconstitution: 3.0 mL per 10 mg vial (~3.33 mg/mL total) for accurate unit measurements

Therapists also face risks around advice and consent

For detailed injection site guidance applicable to all GLP-1 peptides, rotation patterns matter more than most people realize

The position this article takes, given those three valid critiques, is that the mechanism evidence is strong enough, the delivery evidence is biologically plausible enough, and the safety window is wide enough that the recommendation is defensible