... raw material of lysine is corn, usage: mainly used as feed additive, food additive and pharmaceutics. LysineSpecification: Content: 98.5% minSpecific ... : mainly used as feed additive, food additive and pharmaceutics.it can improve the utilization of protein when add to drinks, rice, flour, canned ... appetite, reduce disease, and enhance the role of physical fitness. feed grade lysine 98.5%min