Hill's Science Plan Adult 1-6 Dry Cat Food Tuna Flavour is formulated to support optimal fitness, with clinically proven antioxidants, lean proteins and enhanced Omega 6s. Key benefits: Clinically proven antioxidants for a healthy immune system Supports gentle, healthy digestion Sustains healthy vital organs with balanced mineral levels. Made with high quality ingredients for great taste. Recommended for adult cats, from 1 year old until 6 years old.