Vitamin B12 shots are primarily given to help with B12 deficiencies and may reduce the risk of developing certain health disorders, including neurological conditions and infertility.

Vitamin B12 can contribute to energy, mood, cognitive function and heart health. Read more about the benefits, deficiencies and how much you need.

Vitamin B12 is an essential nutrient that's often overlooked. Also known as cobalamin, vitamin B12 helps your body produce vital red blood cells and boost your energy levels, among other things.

Vitamin B12 plays many crucial roles in the body. Some think taking megadoses is best for their health. Learn more about how much vitamin B12 is too much.

If you take vitamin B-12 supplements, you might ingest more than your body needs. Learn about the side effects of taking too much.

Having your optimal B12 levels is essential. Explore the role of vitamin B12 in your health, food sources and the symptoms associated with deficiency.

Vitamin B12 deficiency occurs when your body lacks enough healthy red blood cells due to insufficient amounts of vitamin B12.

Vitamin B12 is essential for your overall health. Let's see how you can get it from different plant sources and its recommended dosage according to your age.

The best vitamin D supplement for a person will depend on their age, vitamin D levels, and personal preferences. Learn six options to consider.

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.