Vitamin B12 is a vital nutrient with numerous health benefits. Learn more about what it does in the body and how to get enough of it.

Medically reviewed by Lindsay Cook, PharmD The recommended intake of vitamin B12 for people older than 14 is 2.4 micrograms a ...

Vitamin B12 is important for the health of your nervous system and your red blood cells. It can be found in many animal products and fortified foods. In the United States, about 6% of people under age ...

OUT OF THE 13 vitamins our bodies need, eight of them are part of the B vitamin subgroup, or the B vitamin complex. All eight are vital to the functionality of our bodies, but some are more talked ...

Dear Dr. Roach: I am 73, and I was worried about dementia. Turns out, I am "normal." However, the neurologist told me to take 2,000 mcg of B12 daily. My multivitamin has 100 mcg, which is 4,167% of ...

Vitamin B12 helps your body make red blood cells, produce energy, and keep your brain and nerves healthy, but you have to get it from food or supplements. If you don’t get enough, you could feel tired ...

Vitamin B12 is an essential nutrient that we need to maintain nervous system function and overall health. It's also a very popular dietary supplement, even though most people can get enough of it from ...

A vitamin B12 deficiency does not appear to be a sign of cancer. However, research suggests that there might be an association between vitamin B12 deficiency and cancer risk, particularly stomach and ...

Vitamin B12 (cobalamin) is an important nutrient that strengthens your body's blood cells. It also nourishes your nerve cells and helps keep them healthy. B12 also assists in the formation of DNA.

Researchers are examining whether vitamin D and B12 can be introduced into the blood stream using oral dissolvable films (ODFs) compared to gummies. The study team will explain the research in its ...