This product is derived from pharmaceutical grade vitamin D3. Active ingredient is calciol, vitamin D3. Chemical Name: Vitamin D3(Food Grade) [Tech Index]Content150MIU/G,100MIU/G,50MIU/G,10MIU/G)Propertieswhite powder; odourless and tastelessParticle SizeAll pass through the No.2 sieveLoss on Drying5.0% Max.ArsenicLess than 0.0001%Heavy MetalLess than 0.002%Assay(C28H44O)90.0%—110.0%Total ...