Vitamin B12 is found exclusively in animal-based products such as milk, cheese, curd, eggs, meat, and fish. While vegetarians ...

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

If you're dealing with a B12 deficiency or simply struggling to get enough of the essential vitamin in your diet, B12 supplements can help. These are the benefits and potential risks to know.

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

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

Dear Doctors: I was surprised when a blood test at my annual checkup found I’m low in B vitamins, especially B12. My doctor gave me a shot, and the fatigue that I had been feeling went away. Why is ...

Do you wake up feeling drained despite getting 9 hours of sleep? Maybe your body is lacking in vitamin B12. This essential ...

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 ...

Despite its seemingly harmless name, vitamin B12 deficiency is notoriously harmless and sneaky. The nutrient is essential for ...

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 ...

I am 71 years old and was diagnosed with pernicious anemia in October 2024. My B12 and folate levels were low. My ...