Along with other B vitamins, vitamin B12 is important for converting the food you eat into cellular energy. Vitamin B12 is also important for proper red blood cell formation and the normal function of the nervous system. Vitamin B12 supplements may be important for vegetarians and vegans who avoid dietary sources rich in vitamin B12. Himalayan Organics Vitamin B12 1000 mcg Tablets offer a convenient way to increase your intake of an essential vitamin that plays a key role in many areas, including the nervous system. These easy-to-swallow vitamins are vegetarian-friendly and gluten-free.