Mad Barn BiotinA vitamin B supplement used to support healthy hooves and coat quality Highly palatable and easy to feed Biotin (also known as vitamin B7) is an enzyme cofactor which means it supports the function of many enzymes, including those involved in carbohydrate, fat and protein metabolism Supports the production of keratin which is the most important structural protein in hooves Helps horses have optimal levels of keratin in their hooves, hair and