The Liquid-Vet K9 Teeth and Gums Support formula is for dogs needing more than just fresh breath and is better than a chew or water additive and easier than a paste. The K9 Teeth and Gums Support formula is the only product available in a choice of natural flavors for picky pets or those pets that may have allergies to specific proteins. Simply dose during meal time once a day with no mixing required; it's that easy. Plus, the K9 Teeth and Gums Support formula is guaranteed effective in 2 weeks or your money back! And how about safety? Liquid-Vet products are manufactured at their own plant located in the U.S.A., using materials only from qualified U.S.A. based suppliers.