Synergy Labs Dental Fresh Advanced Whitening Water Additive 17oz Protein Source - Venison 010% Glucosamine: 290 mg/kg Chondroitin:

010% Glucosamine: 290 mg/kg Chondroitin: 10 mg/kg Vitamin E: 276 mg/kg

Sea Holly etc

Take note however that this product can be used in conjunction with a water rinse

Dandelion Leaf 18 mg

Synergy Labs Dental Fresh Advanced Whitening Water Additive 17oz Protein Source - Venison 010% Glucosamine: 290 mg/kg Chondroitin:Formulated to reduce surface stains and reverse discoloration No brushing necessary just add to water! No taste, color or odor Effectively cleans teeth, freshens breath and eliminates plaque, tartar and odor causing organisms Clinically proven formula suitable for cats and dogs Made in USAThis mild, yet powerful formula makes keeping your pet's pearly whites a cinch. Simply pour a teaspoon of the liquid into eighty ounces of your pets drinking water