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itamins
 

Vitamin B12 -- Cobalamin

© Elson M. Haas MD

Requirements: Vitamin B12 is essential but required only in minute amounts; 3-4 mcg. is needed in most adults to prevent deficiency, and at least that amount is required by pregnant or lactating women, as well as infants and growing children. From 10-20 mcg. daily is a good insurance level, although certain people may need increased amounts with higher protein intake. Vitamin B12 is often taken in higher doses, 500-1000 mcgs. per day, to relieve fatigue. Injections of B12 in these amounts are used to treat a variety of low-energy and mental symptoms previously described as well as during some weight loss programs. When there is fatigue or anemia, it is a good idea to get the blood level of B12 checked by a doctor. It may lead to a very simple and successful treatment.

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About The Author
Elson M. Haas, MD is founder & Director of the Preventive Medical Center of Marin (since 1984), an Integrated Health Care Facility in San Rafael, CA and author of many books on Health and Nutrition, including ...more
 
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Disclaimer: The information provided on HealthWorld Online is for educational purposes only and IS NOT intended as a substitute for professional medical advice, diagnosis, or treatment. Always seek professional medical advice from your physician or other qualified healthcare provider with any questions you may have regarding a medical condition.