D-Biotin, CAS# 58-85-5, is a water-soluble B-vitamin known as vitamin H or coenzyme R, available as White crystal powder. D-Biotin is widely used as nutrition supplements as it is necessary for cell growth, the production of fatty acids, and the metabolism of fats and amino acids. Foodchem could provide D-Biotin in pharmaceutical grade, food grade and feed grade. As a professional supplier and manufacturer of food additives, Foodchem International Corporation has been supplying quality D-Biotin to customers all over the world for over 10 years.