K9 Immunity Plus Chews w/ Transfer Factor for Dogs 30-70 Lbs: This is the most potent immune supplement available for dogs. it is also the most effective insurance you can use to keep your dog healthy! 100% made in America with organic ingredients and so unique it is covered by US and International Patents! Recommended Use: 2 wafers per day or as directed by your veterinarian. Storage Conditions: Store at room temperature between 59 and 77 degree F (15-25 degree C). Contains: Immune Active Non-Linear Heteropolysacharides. Including 1,3 - 1,6 Beta Glucans. Transfer factors with other Immuno-proteins and Omega 3 Essential Fatty Acids.