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1992-12-06
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Vitamin B6 is a water-soluble vitamin that
comprises three related forms: pryidoxine, pryidoxal and
pryidoxamine.
Function: Plays many roles in the body, the but most
important one is in protein metabolism.
Sources: Fortified instant oatmeal; fortified
ready-to-eat cereals; meat, poultry and fish; soybeans;
some fruits and vegetables, including bananas, prunes,
watermelon, spinach, sweet potatoes, and tomato juice.
Deficiency: Vitamin B6 deficiency can cause anemia,
dermatitis and convulsions. In infants, it can lead to a
variety of neurological disorders and abdominal distress.
Deficiency is rare in the United States; it is mainly seen
in people deficient in several B-complex vitamins.
Excess: Long-term megadoses, such as may be taken by
women to alleviate premenstrual syndrome, may cause nerve
damage and muscular incoordination in the hands and feet.
U.S. Recommended Daily Allowances
Infants Children Adults and Pregnant or
(0-12 mo.) (1-3 years) Children 4 Years + Nursing Women
0.4 mg 0.7 mg 2.0 mg 2.5 mg
(The U.S. RDA amounts are sufficient to meet the needs
of practic all healthy people.)