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 ...

Vitamin B12 is already known to be important for the brain and nerves. A lack of it can cause symptoms like tiredness, memory ...

Vitamin B12 plays a vital role in maintaining the health of the nervous system, including the brain, nerves, and spinal cord. A deficiency in this essential nutrient can lead to a range of ...

Look in your mouth. A swollen, red, or smooth-looking tongue could be a sign of glossitis—a condition linked to B12 ...

B12 is a vitamin that helps to maintain essential systems, such as the central nervous system. A B12 deficiency in females can cause symptoms such as fatigue, tingling feet, or depression. The ...

Vitamin B12 helps your body make red blood cells, maintain nerve health, may boost energy levels, and support a good metabolism (turning food into energy). Some research suggests that people ...