Medically reviewed by Jonathan Purtell, RDN Key Takeaways Vitamin B12 supports energy, red blood cell formation, nerve ...

Medically reviewed by Sohaib Imtiaz, MD Beef is a good source of vitamin B12, but several foods—including shellfish and organ ...

A spread of various fruits, vegetables, nuts, and a big piece of salmon all laid out on a black wooden surface. - monticello/Shutterstock The human body is a complex machine that runs on all different ...

All your B12 needs to come from your diet.

Vitamin B12 is an essential nutrient that we need to maintain nervous system function and overall health. It's also a very popular dietary supplement, even though most people can get enough of it from ...

Caitlin Beale, MS, RDN, is a registered dietitian and freelance health writer specializing in women’s health, gut health, and integrative nutrition. People with IBD are at higher risk of vitamin B12 ...

Vitamin B12 has long been seen as a health hero, helping the body make red blood cells, repair DNA, and keep nerves ...

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 ...

B12 is a vitamin which is absolutely crucial for the body. It helps the body produce red blood cells, keeps the nervous system functioning, and plays a central role in how cells copy and repair DNA.