K9 Immunity Plus Chews w/ Transfer Factor for Dogs over 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: 3 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.