Monoclonal Anti-Vitamin B12 antibody reacts with vitamin B12, as well as with vitamin B12-KLH and vitamin B12-BSA conjugates in human plasma and serum.
Vitamin B12 or cobalamin is a water-soluble vitamin. It is the largest and most complex among all the vitamins. Vitamin B12 is naturally found in animal foods, meat, milk, egg, fish and shellfish.