Methylcobalamin is a form of vitamin B12 that plays a crucial role in the body's metabolism. It is essential for the production of red blood cells and the maintenance of the nervous system. Methylcobalamin helps convert food into energy and supports DNA synthesis, making it vital for overall health. This vitamin is often used as a dietary supplement to treat B12 deficiency, which can lead to symptoms like fatigue, weakness, and neurological issues. Methylcobalamin is available in various forms, including tablets, injections, and lozenges, making it accessible for those needing to boost their B12 levels.