Chem-Defense is a nutrient blend formulated for persons with chemical sensitivities. Recent scientific research indicates that molybdenum, a trace mineral that activates the enzymes aldehyde oxidase and sulfite oxidase, may provide nutritional support for chemically sensitive individuals. Glutathione (GSH) is a key element of the liver's detoxifying process, and is also is the precursor of glutathione peroxidase, a major free radical-scavenging enzyme. Riboflavin is the precursor for FAD, a coenzyme which recycles used GSH.