Molybdenum is an essential trace mineral that the body needs in small amounts. It acts as a cofactor for four enzymes: sulfite oxidase, xanthine oxidase, aldehyde oxidase, and mitochondrial amidoxime-reducing component (mARC). These enzymes help break down substances involved in metabolism and detoxification.
Sulfite oxidase processes sulfur-containing amino acids by converting potentially toxic sulfites into sulfates that the body can excrete. Xanthine oxidase breaks down purines into uric acid. Aldehyde oxidase helps detoxify aldehydes, including those derived from alcohol and certain medications, while mARC also contributes to the detoxification of various compounds.
Adequate molybdenum intake supports these detoxification pathways and sulfur metabolism. Deficiency is rare in healthy people who eat a balanced diet, but certain genetic conditions or prolonged specialized nutritional support can lead to problems with neurological function and sulfite processing.