Vitamin B12, Active; Holotranscobalamin

Vitamin B-12 plays an important role in red blood cell formation, cell metabolism, nerve function & production of DNA that carries information about our genes. Food sources of vitamin B-12 include poultry, meat, fish and dairy products. People who follow a vegetarian or vegan diet might be prone to deficiency because plant foods do not contain vitamin B-12. Deficiency of vitamin B-12 can lead to anemia, fatigue, muscle weakness, intestinal problems, nerve damage and mood disturbances. Vitamin B-12 supplements are recommended during pregnancy, breast feeding & in vegetarians.This test measures the active form of vitamin B-12 which is available for body functions.