"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." It’s normal to wonder if you’re meeting your nutritional needs if you’re feeling off in your day-to-day.

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 ...

OUT OF THE 13 vitamins our bodies need, eight of them are part of the B vitamin subgroup, or the B vitamin complex. All eight are vital to the functionality of our bodies, but some are more talked ...

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 ...

When it comes to essential nutrients, the B vitamins get a lot of attention—and rightfully so. The water-soluble vitamins help your body make energy from the food you eat and play an important role ...

Vitamin B12 deficiency often begins in the brain, causing subtle changes in thinking and mood. These early signs can include ...