Vitamin B 12
Synonyms
B 12, Vitamin
B12, Vitamin
Cobalamin
Cobalamins
Cyanocobalamin
Eritron
Vitamin B12
A cobalt-containing coordination compound produced by intestinal micro-organisms and found also in soil and water. Higher plants do not concentrate vitamin B 12 from the soil and so are a poor source of the substance as compared with animal tissues. INTRINSIC FACTOR is important for the assimilation of vitamin B 12.
See Also