Biotin USP (Vitamin H) For Compounding (API)Biotin USP, also known as vitamin H, is an essential water soluble B vitamin. It is a coenzyme involved in various metabolic processes, including the breakdown of carbohydrates and amino acids, as well as DNA synthesis. Biotin is found naturally in many foods, including liver, eggs, and certain vegetables, and is also produced by bacteria in the gut. Ships in 2 4 business days. In a compounding setting, biotin USP can be used to create customized