What stomach secretion is necessary for normal hemoglobin Production in

Intrinsic factor is a glycoprotein secreted by the parietal cells of the stomach. It is necessary for the absorption of vitamin B12 in the small intestine. Vitamin B12 is essential for the production of red blood cells and for the proper functioning of the nervous system. Without intrinsic factor, vitamin B12 cannot be absorbed and this can lead to anemia and neurological problems.