Meeting the minimum requirement for vitamin B12, needed to make DNA, red blood cells and nerve tissue, may not actually be enough – particularly if you are older. It may even put you at risk for ...

Higher vitamin B12 levels are linked to slower annual cognitive decline in individuals without baseline dementia, new research shows.

Symptoms of hyperglycemia (high blood glucose) can include increased thirst, hunger, urination, and fatigue. Some symptoms are more severe or rare.

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 ...