Vitamin B6         

Essential for

the release of energy from food
healthy cardiovascular, nervous and immune systems
protein metabolism and hormone production
healthy skin, hair and red blood cells
manufacture of the genetic material of the cell
the conversion of tryptophan to niacin

Absorption and metabolism

Daily intake is necessary.


Symptoms include weakness, poor appetite, dermatitis, a sore mouth, susceptibility to infection, and eventually, convulsions and anemia. Deficiency may play a role in heart disease, kidney stone formation, carpal tunnel syndrome and depression.

Vitamin B6Sources

These include meat, fish, eggs, milk and whole grains.



Daily recommended dietary intakes

Men                        1.3 mg

Men (over 50)         1.7 mg

Women                   1.3 mg

Women (over 50)   1.5 mg

Pregnancy             1.9 mg

Lactation                2.0 mg

Toxic effects of excess intake

High doses for long periods may cause nerve damage.


Alcohol, smoking, estrogen, some antibiotics and antidepressants may increase requirements.

Therapeutic uses of supplements

These include asthma, cardiovascular disease, mood disorders, PMS, stress, carpal tunnel syndrome, fatigue, nausea of pregnancy, skin problems and kidney stones.


Those taking the anti-Parkinsonian drug, levodopa, or anticonvulsant drugs should consult a doctor before taking supplements.

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Vitamin B6
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Vitamin B6 deficiency
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Vitamin B6 overdose
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Vitamin B6 interactions
Vitamin B6 dangerous



Other Vitamins:

Vitamin A
Beta carotene
Vitamin B6
Vitamin B12
Pantothenic acid
Vitamin C
Vitamin D
Vitamin E
Vitamin K