vitamin B

(vitamin B₁₂), trade names (some): Alpha Redisol, Betalin-12, Cobex; drug class: Vitamin B₁₂ water-soluble vitamin; action: needed for adequate nerve functioning, protein and carbohydrate metabolism, normal growth, red blood cell development, and cell reproduction; uses: vitamin B₁₂ deficiency, pernicious anemia, hemolytic anemia, hemorrhage, and renal and hepatic diseases.

1. Vitamin B complex.
2. A member of the vitamin B complex, especially thiamine.

See thiamine.

See riboflavin.

Pyridoxine and related compounds.

A complex compound containing cobalt, found especially in liver and widely used to treat pernicious anemia. Also called antipernicious anemia factor, cobalamin, cyanocobalamin, extrinsic factor.

See folic acid.