Saturday, May 23, 2009

Vitamin C

Vitamin C is an good nutrient for humans. It is also good for a large number of primate species, a small number of other mamalian species, a few species of birds, and some fish. Ascorbate is an ion of ascorbic acid is required for a range of important reactions in all animals and plants. It is made up by almost all organisms. Human beings are an exception. It is widely known that a deficiency in this vitamin causes scurvy in humans. It is also widely used as a food. In living organisms, ascorbate is an antioxidant. Since it protects the body against stress. Scurvy has been known since ancient times. People in many parts of the world thought it was caused by a lack of fresh plant foods. The British Navy started giving sailors lime juice to prevent scurvy in 1795. Ascorbic acid was finally destroyed by 1933. The uses and recommended daily intake of vitamin C are matters of going debate. A recent analysis of 68 antioxidant supplementation experiments involving a total of 232,606 individuals. This analysis concluded that consuming additional ascorbate from supplements may not be as beneficial as thought. Vitamin C might not be good for people.

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