Vitamin B12 is required for the production of red blood cells and for the proper functioning of the nervous system. Vitamin B12 is only found in animal products such as milk, milk products, meat, meat products, fish and eggs. Vitamin B12 is also known as cobalamin.
In people who do not use animal products, such as vegans, there is a high risk of a vitamin B12 deficiency. The elderly with gastric disease atrophic gastritis or those with a deficiency of digestive protein Intrinsic Factor at risk of a deficiency.