The products Vitamin D3 system we can offer are following: 7-dehydrocholesterol Grade onecontent: not less than 95%, 97% Grade twocontend: not less than 90% FOOD GRADE Vitamin D3 Powder 100,000 IU/g and 500,000 IU/g FOOD GRADE Vitamin D3 Oil: 1000,000~25,000,000 IU/g FEED GRADE Vitamin D3 Powder 500,000 IU/g FEED GRADE Vitamin D3 Oil: 1,000,000~15,000,000 IU/g Medicine grade Vitamin D3 Crytical 40,000,000 IU/g High Potential Vitamin D3 Resin: 22000,000~28,000,000 IU/g