Delivers natural ingredients to reduce inflammation, rebuild cartilage, strengthen connective tissue, and promote joint health. MicroLactin dried milk protein from hyperimmunized cows is one of the main ingredients in Duralactin. It helps manage long-term inflammation and reduces the need for steroids or NSAIDs. Active ingredient, MicroLactin, contains factors that modify the neutrophil/endothelial cell interaction to reduce the emigration of neutrophils, resulting in better joint health and quicker joint recovery. Results seen in 4-7 days with peak effects seen in 10-14 days. Does not supress immune system. 60 count bottle of vanilla flavored chew tabs.