Truly for the health-conscious pet owner, Loving Pets? Meat Sticks Sweet Potato and Duck Recipe are exactly what they appear to be; 100% pure duck with sweet potato without any chemical additives, fillers or by-products and gluten free. What's more, unlike most meat sticks on the market, we don't add glycerin to artificially increase moisture. All of our healthy all natural Loving Pets Meat Sticks treats contain glucosamine and chondroitin to help keep your dog?s joints happy and healthy. Loving Pets Meat Sticks treats are part of our Tested in the U.S.A. Quality Assurance Program, so you can always feel safe when giving them to your dog.