Healthaid vitamin b12 cobalamin forms part of the b complex of b vitamins that are responsible for a variety of biochemical reactions they play an important role in the metabolic utilisation of food fats carbohydrates and protein that are vital to the health of the nervous system as well as the eyes skin hair and nails vitamin b12 is particularly important for a healthy metabolism and the production of red blood cells healthaid vitamin b12 is suitable for vegans and vegetarians