Chlorophyll from Spirulina Champignon Mushroom Extract Yucca Extract For Cats of All Sizes With Natural Deodorizers A Daily Formula to Reduce Litter Box Odor No Wheat No Corn No Artificial Ingredients 45 Chews Veterinarian Formulated Quality Seal NASC Delicious. Different. Your cat deserves the best pet supplement the world has to offer. That's what's in this package. Every Pet Naturals supplement is naturally formulated with the most pure and potent ingredients available. Why it Works Spirulina - A source of chlorophyll, has a deodorizing and detoxifying effect. Champex - A mushroom extract that suppresses toxic chemicals produced during the digestive process. Yucca Extract - Reduces odors by altering the production or availability of hydrogen sulfide in the gut.