Vitamin B12, also known as cobalamin, has many diverse functions in the human body. For this reason, its deficiency produces a spectrum of clinical manifestations. About 15 percent of adults above ...

To put it plainly, a failure to treat a B12 deficiency can have serious consequences. As Dr. Lapa puts it: “In extreme cases, B12 deficiency can lead to severe and potentially irreversible symptoms.

Vitamin B12 can contribute to energy, mood, cognitive function and heart health. Read more about the benefits, deficiencies and how much you need.

A vitamin B12 deficiency can be treated through diet, supplements, or injections. A doctor can help you find your best treatment plan.

Often, a vitamin B12 deficiency can look like normal signs of aging when, in fact, the deficiency itself is a sign of aging. Read more to discover how much vitamin B12 you should be ingesting as ...

A B12 supplement or balanced multivitamin may be enough to correct the deficiency, as it was for Scout, but it's best to work with a health care provider to ensure proper diagnosis and treatment.

Vitamin B12 deficiency is a common health problem that affects an estimated 6% to 20% of the U.S. population, but doctors often overlook it. The primary symptom is fatigue, but others include ...

Vitamin B12 plays a crucial role in various bodily functions, including red blood cell formation, neurological health, and DNA synthesis. Since the body cannot produce B12 on its own, it must be ...

Most people are not at risk for B12 deficiency, Selvi Rajagopal, M.D., M.P.H., assistant professor of medicine at The Johns Hopkins University School of Medicine, tells Runner’s World.

Children need vitamin B12 to help their brains and bodies develop and grow. When they have a B12 deficiency, they can feel weak and tired, and it can cause other health problems.

Lack of red blood cells in the body can lead to pale and yellow skin Photo Credit: iStock. 2. Ulcers in mouth. Ulcers on the gums or tongue are also a sign of vitamin B12 deficiency.