Enjoy full-body protection from damaging free radicals with Jarrow Formulas® S-Acetyl L-Glutathione. S-acetyl L-glutathione is a highly bioavailable form of l-glutathione, a unique protein that plays a vital role in the body's antioxidant defenses. No wheat, gluten, soybeans, dairy, egg, fish/shellfish, peanuts/tree nuts or sesame.