Feed Grade Vitamin D3 Vitamin D3 oil(1,000,000IU/G-10,000,000 IU/G) Vitamin D3 powder(500,000IU/G) Molecular Form:C27H44O Feed Grade Vitamin D3Vitamin ... calcium absorption, regulate calcium and phosphorus metabolism and induce bone calcium and phosphorus calm, as well as promote bone growth and prevent rickets. Feed Grade Vitamin ...