ghk-cu 100mg 6ml vial product info and reviews Copper Peptide GHK-CU (100mg) - Research Lab
Description
Most people with vitamin B12 deficiency are treated in primary care with intramuscular (IM) vitamin B12

Cant C, et al

This is a classic example of a treatment-related physiological shift, not a drug side effect

Data on dermal toxicity caused by copper compounds is scant
