Now Foods, Pets Allergy, 75 TabsProduct Description For Dogs & Cats Supports a Healthy Immune System* Product Benefits Now Pets Pet Allergy contains natural botanicals that may help to maintain normal histamine levels. Ingredients Supplement Facts Active Ingredients per ChewableTablet: Amount Per Serving Quercetin 100 mg Nettle Leaf 100 mg Turmeric Root Extract 60 mg Bromelain 50 mg Burdock Root 50 mg Licorice Root 50 mg Inactive Ingredients: Calcium Carbonate, Cellulose, Cod