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Description
Studies demonstrate up to a 70% increase in collagen synthesis following GHK-Cu application

Possible concerns include immune reactions, injection-site reactions, and sterility/purity issues, with unknown risk in pregnancy, cancer history, immune disorders, or complex medical conditions

Johnnidis, J

10, 599611, 10.1038/nrneurol.2017.123, 2-s2.0-85032579184

Vitamin B12 may be more effective than nortriptyline in improving painful diabetic neuropathy
