If it's a route that you eventually decide to go down, people in the forum can advise about safe suppliers of injectable B12 and equipment for injection etc
Ejaz, A., Wu, D., Kwan, P., et al
A randomized, double-blind, placebo-controlled study of oral GSH was conducted on 54 healthy non-smoking adults over six months, using a dose of 250 or 1000 mg/day compared to placebo
In cosmetic and skin science research, GHK-Cu is often associated with: Supporting the appearance of smooth, even-looking skin Helping maintain a firm and healthy-looking complexion Supporting skin renewal and overall skin appearance Being part of anti-aging cosmetic formulations It is important to note that these discussions are based on research interest and cosmetic use
Nutrients .2019;11(10):2362