Vitamin Enriched Tablets & Powder: Available in regular and Peanut Butter Flavoring. 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. Guaranteed Analysis: Analysis per 500 mg tablet: Thiamine (B-1) - 100 mcg, Riboflavin (B-2) - 150 mcg, Niacin (B-3) - 500 mcg, Ascorbic Acid - 100 mcg. 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. Directions: Dogs and cats 2 tablets daily for each 10 lbs. of body weight. Note: During stress, convalescing, pregnancy, or in summer months, double daily amount.