Vitamin B12, also known as cobalamin, is a water-soluble vitamin involved in metabolism. It is one of eight B vitamins. It is required by animals, which...

Vitamin B12 deficiency, also known as cobalamin deficiency, is the medical condition in which the blood and tissue have a lower than normal level of vitamin...

where not enough red blood cells are produced due to a deficiency of vitamin B12. Those affected often have a gradual onset. The most common initial symptoms...

contain sulfur and B12 contains cobalt. Dietary supplements containing all eight are referred to as a vitamin B complex. Individual B vitamins are referred...

folates) Vitamin B12 (cobalamins) Vitamin C (ascorbic acid and ascorbates) Vitamin D (calciferols) Vitamin E (tocopherols and tocotrienols) Vitamin K (phylloquinones...

The total synthesis of the complex biomolecule vitamin B12 was accomplished in two different approaches by the collaborating research groups of Robert...

acids, vitamin D, calcium, zinc, and vitamin B12. Researchers agree that those on a vegan diet should take a vitamin B12 dietary supplement. The American...

Spirulina contains no vitamin B12 naturally, and spirulina supplements are not considered to be a reliable source of vitamin B12, as they contain predominantly...

Methylcobalamin (mecobalamin, MeCbl, or MeB12) is a cobalamin, a form of vitamin B12. It differs from cyanocobalamin in that the cyano group at the cobalt...

methylmalonic acidemias. Methylmalonyl-CoA requires vitamin B12 to form succinyl-CoA. When the amount of B12 is insufficient for the conversion of cofactor...