A person who has the type of anemia with B12 deficiency and low B12 levels (called "megaloblastic anemia" with unusual white ...

Dear M.P.: Pernicious anemia (PA) is an autoimmune disease where the body destroys the cells in the stomach that make ...

Vitamin B12 is crucial for red blood cell formation ... It is absorbed in the small intestine with the help of a protein called intrinsic factor, which is produced in the stomach.

In people with PA and no concerning features, treatment with high-dose oral B12 or injection B12 are both reasonable options.

Intrinsic factor is a protein needed to absorb vitamin B12, so without it, no matter how rich your diet is in vitamin B12, the body will be unable to absorb the vitamin. When it comes to ...

A decrease in intrinsic factor (a kind of protein) can hamper vitamin B12 absorption as can gastritis, stomach and intestinal surgeries, intestinal malabsorption like Crohn’s disease ...

I am 71 years old and was diagnosed with pernicious anemia in October 2024. My B12 and folate levels were low. My antiparietal antibodies were abnormal, but the ...

I am 71 years old and was diagnosed with pernicious anemia in October 2024. My B12 and folate levels were low. My antiparietal antibodies were abnormal, but the intrinsic factor antibodies were ...

Intrinsic factor is a protein produced in the stomach necessary for the absorption of vitamin B12. Conditions that reduce intrinsic factor production, such as pernicious anemia or gastric surgery ...