Reconstitution (mixing the lyophilized powder with bacteriostatic water) and drawing the right volume on an insulin syringe is where most people make errors
This is one of the main reasons it is discussed as an alternative or adjunct to more familiar options such as NSAIDs
However, more research is needed to fully understand and substantiate these benefits
If you know you will use GHK-CU long-term, 100mg vials often offer better value than 50mg vials
Gozdzikiewicz J, Borawski J, Koc-Zorawska E, Mysliwiec M
These include IV therapy and injections, nebulisers, oral supplementation with glutathione capsules, topical creams, sublingual (under the tongue), and liposomal glutathione