Help protect your pet with VetSmart's Formulas Critical Immune Defense Mushroom & Turmeric Compound Dog & Cat Supplement. It’s made in the USA with four types of antioxidant-rich medical mushrooms, which have been used in Asia for centuries to help fight disease. It also contains white turmeric extract and vitamins to help promote good cell development and help make her immune system stronger! All VetSmart formulas are made with clinical, veterinarian strength.