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The FDA does not approve compounded peptides as branded drugs, but the supply chain is regulated and the prescription pathway is medically supervised

Lastly, GHK-CU is a copper peptide that has huge regenerative and health benefits

Fiorillo et al., 2022)

The animal literature is unusually consistent, though: nearly every published in vivo study used 5 mg/kg per injection, given three times on alternate days (days 1, 3, and 5, or days 14, 16, and 18 in the pulmonary fibrosis model), with effects tracked over the following three to four weeks

However, they are not the same

The FDA banned compounding pharmacies from selling ipamorelin and others in 2023 due to reported adverse events, including death (10)