Vitamins & Minerals
Vitamin D, B12, iron, calcium, magnesium, sodium, potassium, and micronutrient intake tools.
Calcium Calculator
Daily calcium target: 1000-1200 mg. Bone health and muscle function....
OpenCholine Calculator
Daily choline AI: 550 mg (men), 425 mg (women). Liver function and brain develop...
OpenChromium Calculator
Daily chromium AI: 35 µg (men), 25 µg (women). Glucose metabolism....
OpenCopper Calculator
Daily copper target: 900 µg. Iron metabolism and connective tissue....
OpenDRI Comprehensive Calculator
Get personalized Dietary Reference Intakes for all essential vitamins and minera...
OpenElectrolyte Balance Calculator
Calculate Na:K ratio and electrolyte balance. Optimal ratio < 2.0....
OpenFluoride Calculator
Daily fluoride AI: 4 mg (men), 3 mg (women). Dental health....
OpenFolate Calculator
Calculate your daily folate needs based on age and pregnancy status. Free folate...
OpenIodine Calculator
Daily iodine target: 150 µg. Thyroid hormone production....
OpenIron Calculator
Daily iron target: 8-18 mg depending on sex and age. Oxygen transport....
OpenMagnesium Calculator
Daily magnesium target: 400-420 mg (men), 310-320 mg (women). 300+ enzymatic rea...
OpenManganese Calculator
Daily manganese AI: 2.3 mg (men), 1.8 mg (women). Bone formation....
OpenMolybdenum Calculator
Free molybdenum calculator computes your daily target based on age and life stag...
OpenOmega-3 Calculator
Calculate your daily omega-3 (EPA/DHA) needs based on health goals. Free omega-3...
OpenPhosphorus Calculator
Daily phosphorus target: 700 mg. Bone health and ATP production....
OpenPotassium Calculator
Daily potassium AI: 3400 mg (men), 2600 mg (women). AHA recommends 4700 mg....
OpenSelenium Calculator
Daily selenium target: 55 µg. Thyroid function and antioxidant defense....
OpenVitamin A Calculator
Calculate daily Vitamin A (retinol) target: 900 µg RAE (men), 700 µg RAE (women)...
OpenVitamin B1 (Thiamin) Calculator
Calculate your daily Vitamin B1 (thiamin) needs based on age, sex, and life stag...
OpenVitamin B1 (Thiamin) Calculator
Daily thiamin target: 1.2 mg (men), 1.1 mg (women). Essential for energy metabol...
OpenVitamin B12 Calculator
Calculate your vitamin B12 needs and deficiency risk based on diet and age. Free...
OpenVitamin B2 (Riboflavin) Calculator
Daily riboflavin target: 1.3 mg (men), 1.1 mg (women). Important for energy prod...
OpenVitamin B3 (Niacin) Calculator
Daily niacin target: 16 mg NE (men), 14 mg NE (women). Supports nervous system....
OpenVitamin B5 Calculator
Daily pantothenic acid AI: 5 mg for adults. Supports adrenal function....
OpenVitamin B6 Calculator
Calculate your daily Vitamin B6 needs based on age, sex, and life stage. Get foo...
OpenVitamin B6 Calculator
Daily B6 target: 1.3-1.7 mg (men), 1.3-1.5 mg (women). Important for amino acid ...
OpenVitamin B7 (Biotin) Calculator
Daily biotin AI: 30 µg for adults. Supports hair, skin, and nail health....
OpenVitamin C Calculator
Daily Vitamin C target: 90 mg (men), 75 mg (women). Antioxidant and immune suppo...
OpenVitamin D Calculator
Calculate your daily vitamin D needs based on age, skin type, and sun exposure. ...
OpenVitamin E Calculator
Daily Vitamin E target: 15 mg alpha-tocopherol. Antioxidant protection....
OpenVitamin K Calculator
Daily Vitamin K target: 120 µg (men), 90 µg (women). Essential for blood clottin...
OpenZinc Calculator
Daily zinc target: 11 mg (men), 8 mg (women). Immune function and wound healing....
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