Hill's Prescription Diet t/d Dry Dog Food is clinically proven to reduce plaque, stain & tartar buildup and clean up to the gum line. It works like a toothbrush and is formulated as a complete and balanced nutritional solution for your dog's daily health regimen.The kibble contains clinically proven triple action fiber matrix technology to remove plaque, stain & tartar buildup. The special matrix of fibres scrubs the tooth to remove plaque which helps freshen breath. The large kibble size, shape and texture cleans the teeth to the gum line to promote healthy gums and teeth. Exclusive feeding of Hill's Prescription Diet t/d Dog Dry Food has been shown to be more effective than toothbrushing due to the fact that only a few dog owners brush their dogs' teeth regularly. Hill's nutritionists & veterinarians developed Prescription Diet t/d clinical nutrition to promote healthy gums and teeth and support your dog's overall health. Hill's Prescription Diet t/d Dry Dog Food is accepted nutrition for proven reduction in buildup of both plaque & tartar by Veterinary Oral Health Council (VOHC)* Key Benefits: Cleans teeth & freshens breath by reducing plaque & tartar buildup. Promotes healthy gums by cleaning to the gum line. Vital nutrition for your dog's daily health & immune system support. Clinically proven triple action fibre matrix technology. Unique kibble size, shape & texture helps clean to the gum line. Complete & balanced nutrition with clinically proven antioxidants. Ingredients: Cereals, meat and animal derivatives (chicken 8%), derivatives of vegetable origin, oils and fats, eggs and egg derivatives, minerals. Nutritional Information: Protein 16.0%, Fat content 15.4%, Crude fibre 9.7%, Crude ash 3.6%, Calcium 0.54%, Phosphorus 0.41%, Sodium 0.19%, Potassium 0.60%, Magnesium 0.07%; per kg: Vitamin A 9,400IU, Vitamin D3 826IU, Vitamin E 600mg, Vitamin C 90mg, Beta-carotene 1.5mg.