Medically reviewed by Jonathan Purtell, RDN Key Takeaways Vitamin B12 supports energy, red blood cell formation, nerve function, and DNA production.A deficiency can cause fatigue, weakness, headaches, ...

Self-medicating with vitamin B12 without a doctor’s guidance is not a good idea. Even though B12 is water-soluble (meaning excess amounts are usually flushed out in urine), taking more than your body ...

Vitamin B12 (cobalamin) is essential for the health of nerve tissue, brain function, and red blood cells. Sources include meat, eggs, and some yeast products. Vitamin B12 is the largest and most ...

Vitamin B12 is an essential nutrient for good health. Some of the best sources of vitamin B12 include meat, fish, eggs, fortified foods, and supplements. It may also be advisable to limit or avoid ...

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.

This essential vitamin is generally considered safe, even at high doses. However, most people get enough B12 through diet alone, and unnecessary supplementing may lead to negative side effects.

Medically reviewed by Aviv Joshua, MS, RDN Key Takeaways Vitamin B12 deficiency can cause symptoms of anemia, nerve problems, and sensory changes that often resemble other conditions, making diagnosis ...

B vitamins do a lot in the body, including helping to support your energy levels. But the B vitamin complex is large, and some of these vitamins, like B12, get more attention than others. With that, ...

When humans need more Vitamin B12—a nutrient that makes healthy red blood cells and turns food into energy—we can get it by ...

Vitamin B12 is an essential vitamin for your body that supports the formation of red blood cells, neurological function, and DNA synthesis. According to The Ministry Of Health Family and Welfare, ...

Everyday Health independently vets all recommended products. If you purchase a featured product, we may be compensated. Learn why you can trust us. Everyday Health independently vets all recommended ...