These juices contain polyphenols that reduce oxidative stress and increase glutathione peroxidase [20-22], an enzyme that works with glutathione to change hydrogen peroxide (a source of oxidative stress) into water
21 Alpha-lipoic acid is a multifunctional compound in its ability to serve as a direct scavenger of free radical species and to also help in the regeneration of endogenous antioxidants such as glutathione 21 Supplementing with vitamin C has been shown to increase glutathione levels by exerting their antioxidant action first, thus sparing glutathione
BPC-157 is a Schedule 4 prescription-only medicine
Intravenous glutathione can cause redness, itching, and irritation at the injection site
(Some have theoretical worries that, for instance, BPC-157 might promote the growth of tumor cells.) On the other is an increasingly large and vocal cohort of experts and regular people who feel that the FDA, the pharmaceutical industry, and esteemed scientific institutions are gatekeeping potentially miraculous substances