Hydroxycobalamin is a natural form of vitamin B12, a vital element of the cobalamin family. Vitamin B12 refers to a family of compounds known as cobalamins, which are available in the body in a range of mostly interconvertible forms. Hydroxycobalamin has a deep red color. It can be easily transformed into the coenzyme forms as compared to conventional cobalamin. A coenzyme is a factor that is required for the efficient functioning of the body's fundamental enzymes. Hydroxycobalamin injections can be used to rectify many causes of B12 deficiency, such as pernicious anemia and dietary deficiency of B12 that occurs in strict vegetarians as well as in their breastfed infants etc.