All About Antioxidants and Vitamins -

Danger of Over Dosage

Because many vitamins act in association with enzymes and only tiny quantities are required, it has become conventional to teach that people who take more than the small daily requirement which is nearly always present in a reasonably balanced diet are wasting their money. In addition, there have been regular, and well justified, medical warnings about the dangers of vitamin over dosage, specifically of vitamins A and D. excessive intake of these vitamins can certainly cause trouble. The dangers of vitamin A over dosage are described below, as are those of Vitamin E.

Although few textbooks have yet go around to the role of certain vitamins as biological antioxidants, there is plenty about this in the current medical and general scientific literature. Textbooks take a long time to write, edit and publish and they invariably lag behind current advances, especially in new and rapidly developing fields of research. This is why medical and scientific journals are so important. In the free radicals literature most of the emphasis has been on vitamins E and C, so it is worth looking more closely at these interesting substances.