Vitamin B12 (or vitamin B-12) is also called cobalamin. It has a key role in the normal functioning of the brain and nervous system, and in the formation...

cells of the stomach. IF is necessary for the absorption of vitamin B12 (cobalamin) later on in the ileum of the small intestine. In humans, the gastric...

these foods should not be relied upon as safe sources. "Vitamin B12 (cobalamin)". Merck Manual Home Edition. Retrieved 2006-10-30. "Veganism Has Gone...

Masalha R, Chudakov B, Muhamad M, Rudoy I, Volkov I, Wirguin I (2001). "Cobalamin-responsive psychosis as the sole manifestation of vitamin B12 deficiency"...