Self-medicating with vitamin B12 without a doctor’s guidance is not a good idea. Even though B12 is water-soluble (meaning excess amounts are usually flushed out in urine), taking more than your body ...

Can vitamin B12 deficiency be a sign of cancer? Learn the symptoms, risks, connection to cancer, treatments, and why this ...

The doctor explains B12 sources from a vegetarian diet, who needs them most, and how to incorporate them into a daily diet ...

Medically reviewed by Jonathan Purtell, RDN Key Takeaways Vitamin B12 supports energy, red blood cell formation, nerve function, and DNA production.A deficiency can cause fatigue, weakness, headaches, ...

Vitamin B12 is essential for blood formation, nerve and brain function, and energy metabolism. Deficiency is common in vegetarians, older adults, and malabsorption states and causes fatigue, ...

Sarah is a registered dietitian and freelance writer passionate about connecting people to information that will help them improve their mental and physical health. She’s a big believer that food is ...

There are several warning signs that you might be suffering from a vitamin B12 deficiency, and one of these may appear in a ...

There are several warning signs that could indicate you're lacking in vitamin B12, and one of these may show up in your feet.

Feeling cold all the time, regardless of the temperature, could be a sign of certain vitamin deficiencies, particularly low levels of vitamin B12, vitamin D and vitamin B6, which play key roles in ...

Vitamin B12 supplements may help treat certain symptoms of kidney disease. They can assist in preventing anemia and may also treat vitamin B12 deficiencies, which are common in people with kidney ...

The Best Weight Loss Supplements for Women This article was reviewed by Lynn Marie Morski, MD, JD. Key Takeaways: The best ...

When humans need more Vitamin B12—a nutrient that makes healthy red blood cells and turns food into energy—we can get it by ...