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Introduction; Recommended Intakes; Sources of Vitamin B12; Vitamin B12 Intakes and Status; Vitamin B12 Deficiency; Groups at Risk of Vitamin B12 Deficiency; Vitamin B12 and Health; Health Risks from Excessive Vitamin B12; Interactions with Medications; Vitamin B12 and Healthful Diets ; References;
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ods.od.nih.gov/factsheets/vitaminb12.asp
ods.od.nih.gov/factsheets/vitaminb12.asp
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Vitamin B12 deficiencies occur when the body is unable to properly use the vitamin. Pernicious anemia can make the body unable to absorb vitamin B12 from the intestinal tract. ... Because vitamin B12 comes primarily from animal products, people who follow a strict vegetarian or vegan diet and do not consume eggs or...
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www.nlm.nih.gov/medlineplus/ency/article/002403.htm
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Vitamin B12 is an essential water-soluble vitamin that is commonly found in a variety of foods such as fish, shellfish, meat, and dairy products. Vitamin B12 is frequently used in combination with other B vitamins in a vitamin B complex formulation.
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www.nlm.nih.gov/medlineplus/druginfo/natural/patient-vi...
www.nlm.nih.gov/medlineplus/druginfo/natural/patient-vitaminb12.html
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Vitamin B12 is a member of the vitamin B complex. It contains cobalt, and so is also known as cobalamin. It is exclusively synthesised by bacteria and is found primarily in meat, eggs and dairy products. ... There has been considerable research into proposed plant sources of vitamin B12. Fermented soya products, seaweeds,
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www.vegsoc.org/info/b12.html
www.vegsoc.org/info/b12.html
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Vitamin B12 - Wikipedia, the free encyclopedia
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Vitamin B12 is a water soluble vitamin with a key role in the normal functioning of the brain and nervous system, and for the formation of blood. It is one of the eight B vitamins. It is normally invo...
en.wikipedia.org/wiki/Vitamin_B12
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Summary of the latest research concerning the health benefits of vitamin B-12 ... Vitamin B12 (cobalamin) is an important water-soluble vitamin. In contrast to other water-soluble vitamins it is not excreted quickly in the urine, but rather accumulates and is stored in the liver, kidney and other body tissues.
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www.yourhealthbase.com/vitamin_B12.html
www.yourhealthbase.com/vitamin_B12.html
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Resource page offering information on Vitamin B12. Find out about the uses, health benefits and side effects of Vitamin B12. ... Of all vitamins, vitamin B12 is the most complex chemically and is biologically interesting.
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www.vitaguide.org/vitamin-b12.html
www.vitaguide.org/vitamin-b12.html
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