The superior antioxidant blend supports your dog's immune system. KeyBenefits Recommended for: • Protection from plaque and tartar buildup inadult dogs 1 – 6 years of age. • Proprietary technology works like atoothbrush to scrub plaque from the dog’s teeth during meals. • Byreducing plaque, it works between meals to help protect against tartarbuildup and bad breath. • VOHC (Veterinary Oral Health Council)accepted. • Contains no mineral abrasives or active chemicals. • Freshensbreath.