For aging support specifically, GlyNAC protocols (combining both NAC and glycine) represent the most clinically tested approach in current literature
However, if the shot is placed too low, its also possible to hit a nerve and cause neuropathy or numbness
Nitrite as regulator of hypoxic signaling in mammalian physiology
These factors play a major role in achieving the best glutathione benefits for skin while protecting overall skin health
Nieman DC, Henson DA, McNaulty SR, McNaulty L, Swick NS, Utter AC, Vinci DM, Opiela SJ, Morrow JD: Influence of Vitamin C supplementation on oxidative and immune changes after an ultramarathon
DOI: 10.1016/S0736-4679(00)00259-2 Gillman K (2017a): Much ado about nothing: monoamine oxidase inhibitors, drug interactions, and dietary tyramine