If taking more than 15 mg of zinc daily, take 1-2 mg of copper for every 30 mg of zinc. Low fluoride intake associated with higher number of cavities, especially in children. High fluoride intake associated with possible tooth and bone weakness. An iodine deficiency can cause goiter. Men and postmenopausal women rarely need supplemental iron.
Excess iron can be toxic, especially in children.
Used for muscle function. Supports healthy teeth and cardiovascular system. Magnesium deficiency has been linked to heart disease, respiratory disorders, gastrointestinal problems and depression. Used in bone and collagen formation, synthesis of fatty acids and protein, and carbohydrate metabolism. A trace mineral, it can enhance antioxidant activity.