Ok,I think it's published by TFH Publications
http://www.tfh.com/
TFH has the Nylabone Division, TFH Publication Division and the Tropical Fish Hobbyist Division. So no wonder they promote the product.
Here are a few blurbs from the site
"
At TFH we pride ourself on producing innovative products that are safe to use while providing a tangible benefit to your pet."
and
"
TFH works with veterinarians, recognized trainers, breeders and acclaimed authors to provide you the knowledge and products that will enhance your relationship with your pet. Through science and research, our unique and patented products have been tested in the field to ensure the highest of quality, we guarantee it."