Tomlyn Immune Support L-Lysine Gel supplement for cats is made to support respiratory health and help maintain normal eye function. This tasty maple flavored gel is easy to administer and provides a high dose of L-Lysine. 500 mg per 1/2 teaspoon! L-Lysine helps support normal respiratory health and helps maintain normal eye function and health Veterinarian formulated High levels of L-Lysine 500 mg per 1/2 teaspoon Tasty maple flavor in easy to administer gel Over 50 servings per tube! ACTIVE INGREDIENTS PER 1/2 TEASPOON (2.7 GRAMS): L-Lysine Hydrochloride 500 mg INACTIVE INGREDIENTS: Citric Acid, Edetate Disodium, Maple Flavor, Potassium Sorbate, Purified Water, Riboflavin 5, Sodium Phosphate, Sodium Benzoate, Sodium Carboxymethyl- cellulose, Sucralose