Experimentally tested for 14 days to improve breath. Lysozyme + tea polyphenols, help inhibit the proliferation of harmful oral bacteria, reduce the release of sulfide, reduce the odor in the mouth. Add prebiotics + silk orchid extract to balance the micro-ecology of the digestive tract, improve intestinal origin of oral odor, reduce the concentration of ammonia in the intestinal tract. 4 plant extracts ingredients, fresh breath, care for the oral cavity. Small particles customized shape, helps clean residue between teeth, added cellulose, enhance tooth surface friction, protease ingredients to help break down tartar. Chicken base for good palatability.