From the Manufacturer:
Chewing rawhide helps break down already existing plaque and tartar, but chewing rawhide coated in DentaShield ™ may block tartar formation up to 83%. The patented ingredient DentaShield™ was developed by researchers at Indiana University's School of Dentistry, and is offered exclusively by Hartz®. Coated with a clear beef flavor that dogs love.
About Puritan’s Pride
For more than 40 years, Puritan's Pride has helped families achieve a lifestyle of wellness. Our vitamins and supplements are made with care from the highest quality ingredients. They are tested or inspected as many as 15 times throughout the manufacturing process. That's why you can shop with confidence. We take pride in our products and helping customers feel their best.