Active Vitamin B12 (Holotranscobalamine)

Active Vitamin B12 (Holotranscobalamine) test helps to detect the level of active vitamin B12 (a form of vitamin B12 available to the body). Also, it helps monitor the effectiveness of the treatment for vitamin B12 deficiency and identify the cause of anemia and nerve damage (neuropathy). Vitamin B12 deficiency may occur due to autoimmune conditions, malabsorption or dietary insufficiency. You may get this test done if you have symptoms such as burning and numbness of hands and legs, extreme tiredness, pale skin etc. Measures such as eating fish, dairy products, fortified breakfast cereals, soy milk, etc., can help to prevent the vitamin B12 deficiency.