vitamin B12


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vitamin B12

[′vīd·ə·mən ¦bē¦twelv]
(biochemistry)
A group of closely related polypyrrole compounds containing trivalent cobalt; the antipernicious anemia factor, essential for normal hemopoiesis. Also known as cobalamin; cyanocobalamin; extrinsic factor.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
"Vitamin B12 deficiency can cause optic neuropathy but it is very unusual to find dietary deficiency when animal products are consumed e.g.
The research study provides estimates for Vitamin B12 (Cobalamin, Cyanocobalamin) Forecast till 2025*.
If you think you have the signs of a vitamin B12 deficiency, you should make an appointment with your GP.
Effect of two different sublingual dosages of vitamin B12 on cobalamin nutritional status in vegans and vegetarians with a marginal deficiency: A randomized controlled trial.
Vitamin B12 is found in animal-sourced foods, including a variety of seafood such as clams, oysters, mussels, herring, sardines, mackerel, tuna, crab, and salmon.
In addition to causing cognitive problems, vitamin B12 deficiency may cause anemia, as well as fatigue, muscle weakness and other neurological symptoms.
Results: About 48.8 percent of cases had vitamin B12 deficiency.
To confirm this, the scientists then made a type of vitamin B12 that emits fluorescent light when activated by a laser.
Studies have found that it is mainly associated with interference of nitrous oxide on vitamin B12 metabolism.
officinalis) on fasting blood glucose (FBG), hemoglobin A1c (HbA1c), and Vitamin B12 levels in healthy human compared to Type 2 diabetic patients incorporated to glucomid and/or metformin treatment.
Vitamin B12 and folic acid are needed for the methylation and depletion of homocysteine [19].
Low vitamin B12 levels ([beta] = -0.29, p=0.004) significantly predicted high fasting blood sugar levels in pregnancy even after adjusting for gestational age and gravidity.