IBETIN uses cookies to guarantee that your experience is as smooth as possible. By remaining on the website, you agree to our use of your cookies on IBETIN. Find out more India's Biggest Platform Biotin is classified as a heterocyclic compound, with a sulfur-containing tetrahydrothiophene ring fused to a ureido group. A C5-carboxylic acid side chain is appended to the former ring. The ureido ring, containing the −N−CO−N− group, serves as the carbon dioxide carrier in carboxylation reactions. [6] Biotin is a coenzyme for five carboxylase enzymes, which are involved in the catabolism of amino acids and fatty acids, synthesis of fatty acids, and gluconeogenesis. [2][3 ... Learn more about Biotin uses, effectiveness, possible side effects, interactions, dosage, user ratings and products that contain Biotin.