Symptoms many dismiss may point to an overlooked cause, and catching it early could help prevent lasting health problems.

Vitamin B12 is needed in microscopic amounts, but a shortage can have major effects on health and energy. The vitamin was first linked to a lifesaving liver treatment for pernicious anemia nearly 100 ...

Having too little (a deficiency) of a specific vitamin or mineral can lead to health problems. Researchers have reported ...

High vitamin B12 near a colon cancer diagnosis tracked with faster spread and far shorter survival across more than 37,000 ...

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 ...

We’ve all heard the advice: eat your fruit and vegetables, get your vitamins, and stay healthy. For the most part, that guidance holds up. But some nutrients have a more complicated story, and vitamin ...

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 ...

Essential vitamins are different from essential minerals such as iron, calcium, magnesium, and phosphorus. Over-the-counter supplements typically include both kinds of micronutrients, but the way they ...

Feeling tired all the time? Chronic fatigue could signal your body is missing key nutrients. Learn how to identify and ...

Children need vitamins including B12 to help their brains and bodies develop and grow. Not getting enough vitamin B12, which is also called cobalamin, can make children feel weak and tired and slow ...

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 ...