The nutrient plays a role in memory, focus, mental health and so much more. Here's how to get more of it.

Vitamin B12 is long understood as a vital nutrient required for red blood cell formation and nerve function, but a new ...

Vitamin B12 is essential for red blood cell formation, nerve health, and DNA synthesis. Vegetarians risk deficiency due to limited natural sources. Including dairy, fortified cereals, paneer, and ...

Dear Doctor K: For years, my pernicious anemia was misdiagnosed as depression. Now that I have an accurate diagnosis, I'd like to learn more about my condition. Dear Reader: With pernicious anemia, ...

Supplements like vitamin D, vitamins B12, and omega-3 fatty acids are actually worth adding to your wellness routine.

Add Yahoo as a preferred source to see more of our stories on Google. Fatigue can be a sign of a potential B12 deficiency. Maca and Naca/E+ via Getty Images For several months during the summer of ...

Your body is constantly sending signals, yet many of us dismiss the subtle warnings that something might be off. Vitamin B12 deficiency can cause physical, neurological and psychological symptoms, ...

A Schilling test is also known as a Vitamin B12 absorption test. It was formerly used to determine whether a person was absorbing vitamin B12 normally. If not, then the test could pinpoint the cause ...

Vitamin B12 is essential for red blood cells, DNA synthesis and your cognitive health. Taking your vitamin B12 supplement at breakfast time may help with efficacy. While side effects are rare, vitamin ...

Eating eggs can help you meet your daily B12 needs, but several foods provide significantly more vitamin B12 per serving.