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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Source: ADAM Encyclopedia
The vitamin B12 level is a test to tell how much vitamin B12 is in your blood.How the test is performedBlood is typically drawn from a vein, usually... 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 »
Source: FirstDatabank Drug
Generic Name: CYANOCOBALAMIN - NASALPronounced: (SYE-an-oh-koe-BAL-a-min)Cyanocobalamin (Vitamin B-12) Nasl Precautions Before using... Read more »
Source: FirstDatabank Drug
Generic Name: CYANOCOBALAMIN - ORALPronounced: (SYE-an-oh-koe-BAL-a-min)Cyanocobalamin (Vitamin B-12) Oral Interactions The effects of some drugs... Read more »
Source: FirstDatabank Drug
Generic Name: CYANOCOBALAMIN - INJECTIONPronounced: (SYE-an-oh-koe-BAL-a-min)Cyanocobalamin (Vitamin B-12) Inj Precautions Before using... Read more »