Vitamin B12, also known as cobalimin because it contains cobalt, is made by the action of bacteria in the soil and is found in meats, eggs and dairy products. It is necessary for the making of red blood cells and in maintaining the nervous system. There are no significant vegetable sources of vitamin B12.
Although Vitamin B12 is synthesized by normal flora in the colon, it is produced to far down the digestive path the be absorbed into the blood stream. Vegans are encouraged to augment their need for Vitamin B12 by using vitamin enhanced products.
