Vitamin B12 deficiency can be caused by poor diet or malabsorption, leading to fatigue, muscle weakness, and memory problems.

Vitamin B12 is essential for producing energy and some research has shown that it can help with depression and prevent ...

This comprehensive review examines vitamin B12 absorption, physiological roles, deficiency states, and dietary sources, with ...

Pernicious anemia is an autoimmune condition in which the body cannot absorb vitamin B12 properly. A person with pernicious anemia requires lifelong vitamin B12 supplementation. Vitamin B12 is ...

ASK DOCTOR K Anthony L. Komaroff, M.D. DEAR DOCTOR K: My new doctor recently told me I had pernicious anemia, that it had not been diagnosed by my old doctor and that his treatments would end my ...

Researchers recommend stronger B12 screening in vegans, vegetarians, older adults, and those with absorption disorders such ...

Vitamin B12 is important for creating red blood cells, keeping nerve health and cognitive health in check. This is why it is ...

Vitamin B12 supplements may help treat certain symptoms of kidney disease. They can assist in preventing anemia and may also treat vitamin B12 deficiencies, which are common in people with kidney ...

Dear Dr. Roach: My stepdad is 84 years old and having problems with B12 deficiency. He is taking B12 shots, 1,000 mcg once a week, in addition to taking a 5000 mcg B12 vitamin daily. The numbers come ...

B12 shots work fast but don’t last long. Most leaves your body within a day, though some is stored in the liver. Regular injections may be necessary to maintain steady levels, especially if you have ...