This vitamin assists in the process of converting tryptophan to niacin as well as converting one kind of amino acid (protein building blocks) into another. It contributes to the regulation of blood glucose and plays a role in immune function. Women have taken it to combat PMS symptoms. It was by means of the megadoses taken for this reason that it was discovered that too much B6 could create toxic symptoms after as little as two months. Moderate amounts taken as supplements for this reason also resulted in toxic symptoms after about five years. To date, no conclusive studies have indicated vitamin B6 as a measure to alleviate PMS symptoms.
The food sources of Vitamin B6 are: Potatoes, watermelon, bananas, leafy green vegetables, legumes, etc.
