Vitamin B12 (Cobalamin)
Vitamin B12, also called cobalamin and folate are the constituents of the B complex of vitamins. B12 and folate together with vitamin C help the body make new proteins. The Vitamin B12 (Cobalamin) blood test is usually requested together with the folic acid test. Since the body needs B12 to produce blood cells and the maintenance of a healthy nervous system, this test is necessary to assess nerve function and overall health condition. This test may also be done in people who show signs and symptoms of B12 deficiency which include macrocytic anemia, glossitis, weakness, loss of proprioception, hyperreflexia, meager coordination, and effective behavioral changes. Some dietary sources of Vitamin B12 are fish, shellfish, liver, meat, eggs, milk, yogurt, and cheese.
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Preparation: Please do not exercise prior to testing. It is best that your blood is taken in a rested state.