B-12 with Folic Acid Liquid ( 1000mcg / 400mcg, 2 Oz )

B-12 with Folic Acid Liquid ( 1000mcg / 400mcg, 2 Oz ) Vitamin B12 is needed for cell division and blood formation. Deficiency of vitamin B12 may occur as a result of an inability to absorb B12 from food. It can also occur in individuals with dietary patterns that exclude animal or fortified foods. As a general rule, most individuals who develop a vitamin B12 deficiency have an underlying stomach or intestinal malfunction that limits the absorption of vitamin B12.