Molybdenum is a trace mineral that acts as a cofactor for enzymes (xanthine oxidase, sulfite oxidase, aldehyde oxidase), enabling metabolism of sulfur-containing amino acids, purines and pyrimidines, and detoxification of drugs and environmental toxins. It supports normal growth, cellular function and antioxidant defense. Dietary needs are small; deficiency is rare but can disrupt sulfite metabolism and nitrogen handling.

Molybdenum is a trace mineral that acts as a cofactor for enzymes involved in sulfur amino acid and purine metabolism, detoxification of sulfites, and certain oxidation–reduction reactions. It supports energy and nitrogen processing, helps prevent buildup of toxic intermediates, and is essential in small amounts. Dietary sources include legumes, grains, nuts, leafy vegetables and organ meats; deficiency is rare.

No. Molybdenum is a transition metal (atomic number 42), not a rare-earth element. Rare earths are the lanthanide series plus scandium and yttrium. Molybdenum occurs in ores such as molybdenite, is used to strengthen steel and alloys, and is an essential trace mineral in enzymes. It’s more abundant and geochemically distinct from true rare-earth elements.

Molybdenum is an essential trace mineral that supports enzymes (e.g., sulfite oxidase) which prevent toxic metabolite buildup that can harm the nervous system. Severe deficiency—rare—can cause neurological symptoms. However, there’s no solid evidence that extra molybdenum improves brain function or cognition. Maintain recommended dietary intakes through a balanced diet; avoid high-dose supplements unless medically advised.

Molybdenum is an essential trace element and is not usually toxic at dietary levels. Toxicity is rare, but chronic high intake or occupational exposure can raise blood uric acid, cause gout-like joint pain, gastrointestinal upset, and may disturb copper metabolism. A commonly cited tolerable upper intake for adults is about 2 mg/day; acute toxicity is uncommon but high supplement or inhalation exposure warrants medical evaluation.

Molybdenum for dietary use is inexpensive and widely available in common foods like legumes, whole grains and nuts, and in low‑cost supplements. Deficiency is rare with a balanced diet, so routine supplementation isn’t usually needed. Industrial or high‑purity molybdenum products cost more, but nutritional forms remain affordable and accessible. Check with a healthcare professional before starting supplements.