Vitamin B12 is needed to produce an adequate amount of healthy red blood cells in the bone marrow. Vitamin B12 is available only in animal foods (meat and dairy products) or yeast extracts (such as brewer's yeast). Vitamin B12 deficiency is defined by low levels of stored B12 in the body that can result in anemia, a lower-than-normal number of red blood cells.
Vitamin B12 deficiency can develop for the following reasons:
Absence of intrinsic factor, also called pernicious ...
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A lack of certain B vitamins can also cause anemia. Two of the most common culprits are folic acid (b9) and vitamin b12. In this type... Read more »
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Source: ADAM Encyclopedia
Anemia is a condition in which the body does not have enough healthy red blood cells. Red blood cells provide oxygen to body tissues.Vitamin B12... Read more »
Source: ADAM Encyclopedia
Normal ValuesNormal values are 200 - 900 pg/mL (picograms per milliliter).Normal value ranges may vary slightly among different laboratories. Talk to... Read more »
Source: ADAM Encyclopedia
Cobalamin; Cyanocobalamin Side Effects A lack of vitamin B12 (B12 deficiency) occurs when the body does not get or is unable to absorb... Read more »