STEMICOL STIMULATES & STRENGTHENS THE IMMUNE SYSTEM BY ENCOURAGING GLUTATHIONE LEVELS,  VITAMIN C, VITAMIN D, GREEN TEA ANTIIOXIDANTS, & RESVERATROL   Glutathione is an antioxidant produced in cells that is responsible for  strong immune system response. It's comprised largely of three amino acids: glutamine, glycine, and cysteine. Glutathione levels in the body may be reduced by a number of factors, including poor...