Dietary Supplement Molybdenum/Glutathione Complex The sublingual form is absorbed directly into the bloodstream, via the blood vessels under the tongue and in the cheeks, allowing for quick entry into the system. Chem-Defense is a nutrient blend formulated for persons with chemical sensitivities. Recent scientific research indicates that molybdenum, a trace mineral which activates the enzymes aldehyde oxidase and sulfite oxidase, may provide necessary nutritional support for chemically sensitive individuals. Glutathione (GSH) is a key element of the liver's detoxifying process, and is also the precursor for glutathione peroxidase, a major free radical-scavenging enzyme. Riboflavin is the precursor for FAD, a coenzyme which recycles used GSH.