Some Vitamins and Minerals

~ October 1998 ~

Table 1
Vitamins
NutrientFunction in BodyDiet Source
Vitamin ANeeded for normal vision in dim light; prevents eye diseases; needed for growth of bones and teethLiver, fish liver oils, butter, carrots, spinach, cantaloupe, sweet potatoes
Vitamin B1
(thiamin)
Helps body digest carbohydrates; needed for normal functioning of nervous systemEnriched or whole-grain cereals, pastas, peas, nuts, beans, meats
Vitamin B2
(riboflavin)
Helps body release energy to cells; promotes healthy skin and eyesLiver, milk, yogurt, cottage cheese, eggs, leafy vegetables
Vitamin B3
(niacin)
Promotes healthy skin, nerves, and digestion; helps the body use carbohydratesLiver, peanuts, chicken, salmon, tuna
Vitamin B6
(pyridoxine)
Helps form red blood cells; helps body use protein, fat, and carbohydrateLiver, meat, fish, poultry, peanuts
Vitamin B12
(cobalamin)
Maintains nervous system; needed to form red blood cellsLiver, meat, eggs, shellfish
Vitamin CSpeeds healing of wounds and bones; increases resistance to infection; needed to form collagenCitrus fruits, melons, strawberries, green pepper, broccoli, brussels sprouts, turnip greens
Vitamin D*Helps body use calcium and phosphorus; needed for strong bones and teethFortified milk, fish liver oils, fish, egg yolks
Vitamin ENatural antioxidant, reduces cholesterol buildup; needed for use of vitamin A; helps body form and use red blood cells and musclesVegetable oils, margarine products, meat, peas, nuts
Vitamin KAids in making blood-clotting factorsGreen tea, turnip greens, broccoli, leafy vegetables
Folic acidNeeded to produce blood cells and protein; helps some enzymes functionLiver, leafy vegetables, oranges, peanuts
Table 2
Minerals
NutrientFunction in BodyDiet Source
CalciumNeeded for strong bones and teeth; helps in blood clotting; needed for normal muscle and nerve functionMilk, cheese, sardines (with bones), tortillas, almonds, broccoli and other green vegetables
IodineNeeded to produce thyroid hormones that regulate body's energy useSeafood (haddock, cod, lobster), iodized salt, dairy products, bread
IronNeeded to make hemoglobin; prevents anemia; increases resistance to infectionMeat, calves' liver, poultry, fish, beans, raisins
MagnesiumNeeded for nerve and muscle function; helps body use carbohydratesMilk, meats, seafood, cereal, peanuts, bananas, dark green leafy vegetables
PhosphorusNeeded for strong bones and teethMilk, bologna, liver, hamburger, cheese
SeleniumPrevents breakdown of body chemicalsSeafood, organ meats, muscle meats, whole grains
ZincNeeded to produce some enzymes and insulinRed meat, shellfish (oysters), eggs
  1. Sources
  2. Data in columns 1 and 3 from E. B. Feldman, Essentials of Clinical Nutrition, Philadelphia: F. A. Davis, 1988.1
  3. Data in column 2 from American College of Obstetricians and Gynecologists, Planning for Pregnancy, Birth, and Beyond, Washington, D.C.: ACOG, 1990.2
  4. *Also manufactured in the body when the skin is exposed to ultraviolet radiation (sunlight)