In adults, anemia may be the first sign. It is followed by difficulties with tendons and ligaments, especially in the hands, and swellings. New research from UK indicate that women who take birth control pills may get depression which can be reduced by taking Pyridoxine. Lancet, the British medical journal now recommends that women on pills consider such vitamin therapy. Pyridoxine also has been reported to reduce the level of free cholesterol circulating in the blood stream.
Bananas are good source of pyridoxine, as well as raw meat.
Heat of cooking is very destructive to this vitamin. This Vitamin is water soluble. The body does not store it to any great extent. Excess amounts are readily removed through urine. Thus for healthy people, this is pretty safe in any reasonable quantity.