New Roots Herbal Glutathione Reduced - A relatively small molecule ubiquitous in living systems. Occurring naturally in all human cells, GSH is a water-phase orthomolecule. Its intracellular depletion ultimately results in cell death and its clinical relevance has been researched for decades. Recent research suggests that reduced glutathione may be an even more effective anti-oxidant than vitamin E and vitamin C and is considered the "Master anti-oxidant".