Glutathione is the most abundant intracellular thiol (sulfur-containing compound) and low molecular weight tripeptide found in living cells.
Thiols such as glutathione, alpha lipoic acid and NAC are powerful sulfur-bearing antioxidants.
The antioxidant functions of Glutathione Reduced include recycling vitamins E and C and serving as a critical nucleophilic scavenger, to block free radical damage to all types of tissues.