Vitamin D3 50M.I.U/G Strict quality control and best price delivery promptly high degree of icedit VITAMIN D3 50 M.I.U/G Physicochemical Property: Buff yellow or brown-yellow granule, odorless. Deteriorate easily if exposed to air and light. Freely solve in ethanol, sulfuric ether, chloroform and acetone, and slightly solve in plant oil, but hardly solve in water.