VetriScience Laboratories’ Vetri Lysine Plus is recommended to support immune system function, collagen formation, tissue repair, antioxidant activity, and antibody and lymphocyte production. The amino acid L-lysine supports hormone, antibody and enzyme production, as well as collagen formation and tissue repair. The inclusion of DMG supports methylation, providing useful methyl groups to support the production of hormones, neurotransmitters, antibodies, nucleic acids, and other metabolically active molecules. Lysine is an essential amino acid for felines that must be ingested through food or supplements. Vetri Lysine Plus for Cats supports respiratory health and immune system function while also building collagen for a healthy skin and coat. Our Lysine comes in a delicious chicken liver bite sized chew that your cat will love!Covered by the FoodScience, LLC 60-Day Satisfaction Guarantee. Additional terms apply. MADE IN THE USA - At VetriScience Laboratories, our mission is to help pets live happier, healthier lives. That's why all of our products are made with care right here in the USA with imported and domestic ingredients and formulated by veterinarians. PLUS DMG – Research shows that supplementing with DMG enhances oxygen utilization at the cellular level, as well as supports the immune response with antibody and lymphocyte production. FOR CATS AND KITTENS – Vetri Lysine Plus supports immune, eye, and respiratory health in cats and kittens. For adult cats, give 1-2 chews twice daily, for kittens, give 1 chew twice daily. RECOMMENDED BY VETS – Vetri Lysine Plus is recommended by veterinarians for feline conditions that are responsive to Lysine. L-Lysine competes with L-Arginine, an amino acid required in order for certain conditions to replicate. IMMUNE SUPPORT – Vetri Lysine Plus is an immune support chew for cats of all weight ranges and contains L-Lysine, an amino acid that supports antibody and enzyme production, and DMG, an intermediary metabolite that supports the production of vitamins, antibodies and other metabolically active molecules.Best Sellers Rank: See Top 100 in Pet Supplies. Servings per Container: 120. Number of Items: 1. Unit Count: 120 Count. Package Information: Bag. Age Range Description: All Life Stages. Special Ingredients: L-Lysine. Product Benefits: Immune Support. Flavor: Chicken. Item Form: Treat. Brand: VetriScience Laboratories. Country of Origin: USA. : B002ALE9RM. Manufacturer: FoodScience, LLC. Date First Available: July 15, 2004. Department: Vitamins & Supplements. Item model number: 0940743.120. Product Dimensions: 11.5 x 5.25 x 8.63 inches; 4.8 Ounces. Is Discontinued By Manufacturer: No.