glutathione and nac supplements 1200 mg by Xymogen Glutathione, NAC & Vitamin C

A Phase I safety study and a Phase II ulcerative colitis trial of the BPC-157 formulation PL 14736 were conducted by the Croatian pharmaceutical company Pliva, but full peer-reviewed Phase II efficacy results have not been published

Reduces inflammation + redness for calm, balanced skin

Although you can purchase these herbals over the counter, I recommend seeking a good (functional) medical opinion first

In short: B12 shots are used because they deliver vitamin B12 faster, more reliably, and more efficiently than oral supplements, especially if you have an absorption issue

As long as you don't have a copper metabolism disorder like Wilson's disease, copper toxicity isn't a concern