Min. Order Reference FOB Price
1 kilogram US$32.00-45.00 / kilogram
Product Description
Product Description Vitamin D3, also known as cholecalciferol, is a type of vitamin D. The 7-dehydrocholesterol produced after cholesterol dehydrogenation can be irradiated with ultraviolet rays to form cholecalciferol. Therefore, it means that the original vitamin D of cholecalciferol is 7. ...