Intrinsic Factor is necessary for the absorption of vitamin B12.
Intrinsic Factor is an enzyme-like substance secreted by the stomach.
It is present in the gastric juice as well as in the gastric mucous membranes.
Without the proper amount of intrinsic factor, orally administered Vitamin B-12 is not optimally absorbed and utilized.
|Dimensions||2.5 × 2.5 × 4 in|