MOLYBDENUM Overview Information. Molybdenum is a trace mineral found in foods such as milk, cheese, cereal grains, legumes, nuts, leafy vegetables, and organ meats. The amount in plant-derived foods depends on the soil content in the growing area. Molybdenum is also present in water in varying amounts.Molybdenum is stored in the body, particularly in the liver, kidneys, glands, and bones. It is also found in the lungs, spleen, skin, and muscles.About 90% of the molybdenum eaten in foods is eliminated by the body through the urine.he amount in plant-derived foods depends on the soil content in the growing area. Molybdenum is also present in water in varying amounts. Molybdenum is stored in the body, particularly in the liver, kidneys, glands, and bones.