Ark Naturals Breath-less Brushless-Toothpaste. Each yummy treat is made in the USA with abrasive ridges on the outside to help scrub dirty teeth clean and Ark Naturals’ patented toothpaste center to fight plaque and tartar. They also contain natural, bad-breath fighting ingredients like clove, cinnamon, alfalfa and vanilla! Best of all, these vet-recommended chews are completely grain-free and gluten-free, so pets with sensitive tummies can enjoy them too. Key Benefits Tasty chews help clean your canine companion’s teeth. Natural ingredients like cinnamon, vanilla, alfalfa and clove help to combat bacteria in the mouth to reduce bad breath. Vet recommended and safe for dogs over 12 weeks of age. Patented toothpaste center helps fight plaque and tartar buildup. Made in the USA without gluten or grains.