Vitamin B12 is typically well-tolerated, but in very rare cases, there are serious side effects to be aware of. Learn more ...

Low on energy or focus? A doctor explains how vitamin B12 supplements can support nerves, stamina, and daily vitality.

If you're considering a vitamin B12 supplement because of certain dietary restrictions, medical conditions or your age, this ...

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 ...

Your body is constantly sending signals, yet many of us dismiss the subtle warnings that something might be off. Vitamin B12 ...

Eight patients were treated during relapse with intramuscular injections of crystalline vitamin B 12. Three received daily for ten days 2.0 microgm. and thereafter, on the eleventh and twenty-first ...

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 ...

B vitamins are water-soluble vitamins that are important for various bodily processes. They are found in many unprocessed foods, and can also be taken as a dietary supplement. Every day, your body ...

While B12 is best known for being found in animal foods and fortified products, beverages can be a simple and convenient way ...

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.

Beef is a good source of vitamin B12. However, other foods, like clams, oysters, lamb liver, and sardines, contain even higher amounts of vitamin B12.