Independent/Evidence-based/Sources: NIH ODS + DRILast reviewed February 2026
caredoctorevidence-based

Minerals

Minerals

Minerals are inorganic elements your body needs from food, from major minerals like calcium and magnesium to trace minerals like zinc, selenium and iodine. Several carry a real risk of too much, so every monograph leads with the Tolerable Upper Intake Level alongside the recommended amount.

Minerals

Calcium

Calcium is the most abundant mineral in the body, essential for building and maintaining bones and teeth and for muscle,

1,000 mg·UL 2,500 mg
Minerals

Magnesium

Magnesium is an essential mineral and cofactor in more than 300 enzyme systems, with an adult RDA of 310 to 420 mg per d

310-420 mg·UL 350 mg
Minerals

Iron

Iron is an essential mineral central to hemoglobin, oxygen transport, and energy metabolism, with a US RDA of 8 mg for a

8 mg·UL 45 mg
Minerals

Zinc

Zinc is an essential mineral required for the activity of hundreds of enzymes and for immune function, protein and DNA s

11 mg·UL 40 mg
Minerals

Selenium

Selenium is an essential trace mineral and a constituent of 25 selenoproteins that support antioxidant defense, thyroid

55 mcg·UL 400 mcg
Minerals

Potassium

Potassium is an essential mineral and the body's main intracellular cation, needed for fluid balance, nerve signaling, m

3,400 mg·no UL
Minerals

Iodine

Iodine is an essential trace mineral the body uses to make the thyroid hormones T4 and T3, which regulate metabolism and

150 mcg·UL 1,100 mcg
Minerals

Copper

Copper is an essential trace mineral that acts as a cofactor for enzymes involved in energy production, iron metabolism,

900 mcg·UL 10,000 mcg
Minerals

Manganese

Manganese is an essential trace mineral that acts as a cofactor for enzymes involved in metabolism, bone formation, and

Adequate Intake·UL 11 mg
Minerals

Chromium

Chromium is a trace mineral (as trivalent chromium) that may play a role in carbohydrate, lipid, and protein metabolism

35 mcg·no UL
Minerals

Molybdenum

Molybdenum is an essential trace mineral that forms the cofactor molybdopterin, which four enzymes need to metabolize su

45 mcg·UL 2,000 mcg
Minerals

Phosphorus

Phosphorus is an essential mineral found in bones, teeth, DNA, and cell membranes, with an adult RDA of 700 mg and a UL

700 mg·UL 4,000 mg
Minerals

Fluoride

Fluoride is a mineral that helps inhibit and reverse the early stages of dental caries and supports tooth and bone miner

3 mg·UL 10 mg
Minerals

Sodium

Sodium is an essential electrolyte mineral that regulates fluid balance, blood pressure, nerve signaling, and muscle fun

1,500 mg·no UL
Minerals

Boron

Boron is a trace element found in plant foods and supplements that is not classified as an essential nutrient for humans

No set RDA·UL 20 mg