Vitamin B12 is crucial for various bodily functions, including maintaining healthy blood and nerve cells, producing DNA, and preventing anemia. It also plays a role in brain function, cognitive performance, and overall energy levels.
While more research is needed, some studies suggest that B12 deficiency may increase the risk of age-related macular degeneration.
For pregnant women, B12 is crucial for the baby's neurological development, and deficiency can increase the risk of neural tube defects.