Ark Naturals combination of glucosamine, chondroitin, herbs, and antioxidants make this joint product the best in its class. An all natural way to "rescue" your pet from the difficulties some dogs and cats experience due to long walks, jumping on couches, hiking, running, as well as age related immobility. Glucosamine + Ark's blend of comfort producing herbs can help your dog feel better and enjoy being active. Made in the USA.