Magnesium is a popular supplement for sleep, but doctors say you should avoid combining it with over-the-counter sleep aids.

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

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

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

Vitamin B12 is a vital nutrient that plays numerous key roles in maintaining health. It is available in different forms and can be found in both food and supplements. A recent review suggests that the ...

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 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 needs vitamin B12 for maintaining metabolism, producing DNA and red blood cells, keeping the nervous system healthy, and more (1, 2). Fortunately, most people get enough of this ...

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 ...

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

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