Vitamin B12 is mainly absorbed from
Normally, vitamin B12 is readily absorbed in the last pa of the small intestine (ileum), which leads to the large intestine. However, to be absorbed, the vitamin must combine with intrinsic factor, a protein produced in the stomach.Ref: Ganong&;s review of medical physiology 23rd edition Page no: 458
Stomach
Jejunum
Ileum
Colon
G.I.T