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Vitamin B6


Vitamin B6 or pyridoxine is a water-soluble vitamin useful in the production of antibodies and white blood cells.


Vitamin B6 assists the absorption of vitamin B12. B6 is involved in a number of enzymatic reactions and in protein synthesis.

Deficiency Symptoms

Deficiencies occur in lactose intolerance or coeliac disease, diabetes or in the elderly. Symptoms include anaemia, skin or nervous disorders.

At a Glance...

Vitamin B6 is involved in nerve transmission, energy production, and many biochemical reactions.

Functions Dosage Toxicity Further Information What you need to eat
The vitamin is required for 60 enzymatic reactions. It is involved in chemical transmission between nerve cells, especially in the brain. It plays a part in energy and red cell production. Supplements can be useful to alleviate infant seizures and premenstrual tension.
The RDA is between 1.6 and 2.2 mg per day, with the higher levels recommended during pregnancy.
Toxicity only occurs in high doses and causes severe nerve damage. Skin problems insomnia and muscle weakness may also occur.
It may relieve symptoms of menopause and infertility. Chronic supplementation with high doses may be habit forming and induce sleepiness and well as tingling in the extremities.
Animal products including offal, fish and eggs. Vegetable sources include melon, cabbage, bananas and avocados.


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