NOW Pets L-Lysine for Cats Powder provides pure L-Lysine in a flavorless powder form that can be easily mixed into wet food or sprinkled on dry food for cats. L-Lysine is an essential amino acid for cats that plays a critical role in immune function and is widely used by veterinarians and holistic pet care practitioners to support cats dealing with feline herpesvirus, which can cause recurring respiratory symptoms and eye discharge. Regular supplementation helps maintain a healthy lysine-to-arginine ratio that can reduce the frequency and severity of herpesvirus flare-ups.

8 oz bag. No artificial additives. Produced in a facility that follows GMP guidelines.