Limited research supports taking magnesium and vitamin B12 together to boost energy levels in healthy adults. Vitamin B12 and ...

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.

If a person does not get enough vitamin B12, a doctor may suggest supplements containing more than the daily recommended dose. The body does not store excess vitamin B12, so taking extra is not ...

However, when speaking before Congress in 2008, Susan B. Shurin, M.D., deputy director of the National Heart, Lung, and Blood Institute, countered these claims. She testified that vitamin B-12 could ...

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 ...

As you age, it is important to take care of your body more than you might have in your youth. There are certain necessary vitamins and minerals that with time, become harder for the body to process or ...

Experiencing fatigue might signal low vitamin B12 levels. Vital for nerve function and red blood cell formation, this nutrient is found in foods such as eggs, milk, cheese, animal liver, salmon, tuna, ...