what is nac glutathione has direct antioxidant properties on oxidant species (e.g. OH • ) NAC for Skin Brightening &

Without context, it can be difficult to know what is reasonable, what drives the cost and which option actually fits your goals

For keeping up the treatment, injections are often given monthly

Crucially, this study shifted the scientific paradigm from a simple model of "glutathione depletion" to a model of an "overwhelmed compensatory mechanism." The discovery that circulating immune cells in these patients actually have elevated glutathione levelswhile simultaneously suffering from a severe depletion of other protective enzymes like SOD2revealed that the cells are desperately, and unsuccessfully, trying to fight off a catastrophic level of oxidative damage

The B12 used here is cyanocobalamin, the most common supplement form