Nylabone Oral Care 437ml

Natural.  Just add a capful to the water, replenish when they finish their water.

Veterinarian-recommended Advanced Oral Care Natural Tartar Remover with Natural-C and green tea extract helps prevent plaque and tartar buildup and freshens your dog's breath. For centuries, green tea has been used to promote health and wellness with its antibacterial and antioxidant properties, which is a great supplement to your dog's dental routine. Regular use is necessary for optimum results.