Vitamin B12 deficiency can be caused by poor diet or malabsorption, leading to fatigue, muscle weakness, and memory problems.

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

A new scientific review suggests that the form of vitamin B12 you take may influence how effectively your body can use it, ...

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

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, ...

This comprehensive review examines vitamin B12 absorption, physiological roles, deficiency states, and dietary sources, with ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." "Vitamin B12 helps keep our nervous systems and brains functioning properly. It's needed for the ...

Vitamin B12 is important for creating red blood cells, keeping nerve health and cognitive health in check. This is why it is important to ensure that one introduces food sources in their diet that are ...

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 ...

Some common medications can lead to vitamin and mineral deficiencies. Learn which medications can interact in this way.