L-lysine is an amino acid that supports antibody, hormone and enzyme production, as well as providing antioxidant properties. L-lysine competes with L-arginine that is required for the replication of upper respiration pathogens. L-lysine also supports collagen formation and tissue repair to promote healthy skin. Available in a delicious chew, L-Lysine by Pet Naturals® is perfect for multi-cat households, boarding, kittens, and senior cats. For animal use only. Store in a cool, dry place. Keep out of reach of children and animals. Your pet may consider this a treat. In case of accidental overdose, contact a health professional immediately. L-Lysine for cats is safe for kittens and senior cats. It’s the perfect supplement for multi-cat households and boarding. Delivered in a delicious chicken liver flavored chew your cat will love RECOMMENDED TO SUPPORT : Immune system function Collagen formation Tissue integrity Antioxidant activity Antibody and lymphocyte production ABOUT THE FORMULA : L-Lysine is an amino acid that supports normal antibody, hormone and enzyme production. It also supports collagen formation and tissue integrity. L-Lysine competes with L-arginine, an amino acid that is required for the replication of upper respiration pathogens. Supports immune system healtfunction Collagen formation Tissue repair Antioxidant activity Antibody and lymphocyte production Ingredients L-lysine, natural chicken liver flavor, oat flour, rye flour, soy lecithin, brewers dried yeast, arabic gum, water, glycerin, canola oil, maltodextrin, sodium alginate, calcium sulfate, oat meal, dried citrus pulp, sorbic acid (a preservative), propionic acid (a preservative), mixed tocopherols (a preservative), citric acid (a preservative), rosemary extract, silicon dioxide, vegetable oil. Inactive ingredients: Moisture (max) (11.1 %), L-Lysine (250 mg).