This is a vitamin which is thought to act as a coenzyme for normal DNA synthesis while helping to maintain the integrity of the genome of the individual. It is also known to aid the body in the promotion of general growth, cellular development, the release of energy from body stores, blood cell count and normal functioning of the nervous system, and related tissues. Vitamin B-12 is also thought necessary for healthy skin, hair and nails. Results of a recent meta-analysis in Oxford, England at the Radcliffe Infirmary demonstrated that Vitamin B12 and Folic Acid (and to lesser extend by Vitamin B6, whose presence is necessary to convert homocysteine to the amino acid L-cysteine) were necessary vitamins involved in the body's cleansing process called methylation, wherein dangerous homocysteine levels are reduced. Lowering homocysteine levels has been shown to reduce the risk of cardiovascular disease, for as much as 30%-40%. Dosages of Vitamin B12 can be increased up to 1 mg for these purposes. (BMJ, 316(7135):894-898, March1998)
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