side effect of ghk cu peptide A Dermatologist's Take on the Copper (GHK-Cu) Trend Copper Peptides Ruined My Skin"
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Due to statistical hierarchy, differences were not formally tested

Compared with T2DM patients without insomnia, patients with insomnia had significantly higher levels of vitamin B12 (VitB12)

Toxicol., 15: 217-439

This is strongly discouraged from a medical standpoint
