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.

This article was reviewed by Craig Primack, MD, FACP, FAAP, FOMA. Since the dawn of the Internet (and probably well before), there have been several solutions sold for weight management — including ...

Vitamin B12 deficiency symptoms include canker sores, a swollen tongue, and fatigue. B12 deficiency is often caused by veganism, Crohn's disease, or pernicious anemia. To treat vitamin B12 deficiency, ...

What are the health benefits of vitamin B12? “Vitamin B12 is essential for proper neurological and metabolic functioning, including the transport of oxygen in our bodies,” Whitney English, a ...

Pernicious anemia is an autoimmune condition in which the body cannot absorb vitamin B12 properly. A person with pernicious anemia requires lifelong vitamin B12 supplementation. Vitamin B12 is ...

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 ...

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 ...

Vitamin B12 is a commonly used supplement and has been tested as a preventive treatment for Alzheimer’s disease, but could too much of it be bad for you? In the January 3 JAMA Network Open, scientists ...

Vitamin B12 is essential for nerve function and red blood cell production, with daily needs varying by age, pregnancy status, and health. While most people get enough from animal-based foods, older ...

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