oral ghk cu GHK-Cu Copper Peptide Therapy Chicago GHKcu –
Description
Vitamin B 12 -responsive neuropathies: a case series Nutr Neurosci 2016;19:162-8

For example, those with certain health issues or on certain meds might be at risk
For a 5 mg vial reconstituted with 2.5 mL of bacteriostatic water, the resulting concentration is 2 mg/mL

Similar to blood-brain barrier but some structural differences
