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Vitamin B6 is a water-soluble vitamin. Water-soluble vitamins dissolve in water. The body cannot store them. Leftover amounts of the vitamin leave the body through the urine. That means you need a continuous supply of such vitamins in your diet.
Pyridoxal; Pyridoxine; Pyridoxamine
Vitamin B6 helps the body to:
Vitamin B6 is found in:
Fortified breads and cereals may also contain vitamin B6. Fortified means that a vitamin or mineral has been added to the food.
Large doses of vitamin B6 can cause:
Deficiency of this vitamin can cause:
(Vitamin B6 deficiency is not common in the United States.)
The Recommended Dietary Allowance (RDA) for vitamins reflects how much of each vitamin people should receive on a daily basis. The RDA for vitamins may be used to help create goals for each person.
How much of each vitamin is needed depends on a person's age and gender. Other factors, such as pregnancy and illnesses, are also important. Ask your health care provider which amount is best for you.
Dietary Reference Intakes for vitamin B6:
*Adequate intake (AI)
Adolescents and Adults
The best way to get the daily requirement of essential vitamins is to eat a balanced diet that contains a variety of foods.
Escott-Stump S, ed. Nutrition and Diagnosis-Related Care. 6th ed. Philadelphia, Pa: Lippincott Williams & Wilkins; 2008.
Sarubin Fragaakis A, Thomson C. The Health Professionals' Guide to Popular Dietary Supplements. 3rd ed. Chicago, Il: American Dietetic Association; 2007.
Institute of Medicine. Food and Nutrition Board. Dietary Reference Intakes for Thiamin, Riboflavin, Niacin, Vitamin B6, Folate, Vitamin B12, Pantothenic Acid, Biotin, and Choline. National Academy Press, Washington, DC, 1998.
Hamrick I, Counts SH. Vitamin and mineral supplements. Wellness and Prevention. December 2008:35(4);729-747.