Contains top quality debittered yeast that your dogs and cats love to eat. Contains 5% garlic and fortified with B-1, B-2 and Niacin. Includes Vitamin C as an antioxidant, which helps prevent flea anemia, and works as a detoxifier and immune system rebuilder. Ingredients: Brewers Yeast, Garlic, Beef Liver, Magnesium Stearate, Silica Aerogel, Niacin, Thiamine Mononitrate, Ascorbic Acid (source of Vitamin C), Stearic Acid, Riboflavin and Peanut Butter.