My dog is nearly 14 years old and he is definitely considered to be a dear friend and a member of our family. In 2003 I was attacked by a Rottweiler. Bear, my dog, threw himself in front of my body and let the Rottweiler tear him up so that I could get away. Bear was 8 years old at the time and he is a sled dog, not a fighter; but a calm, loving dog. I won't go into the details of this incident other than to say that Bear developed arthritis from some of the injuries of this event. By the time he was 10 he could barely rise up on his hind legs to walk. We tried many types of supplements that promised to help relieve the stiffness and pain associated with arthritis. Some of these products promised much more than any supplement could honestly deliver. Some of the products caused my boy stomach upset and diarrhea. While doing yet another search on the "net" for a product to help my dog, I ran across Nzymes and their web page. You begin by giving your animal(s) twice the dosage you will give after the time advised by Nzymes web site. You may also give double the regular amount when your friend is under stress or is ill. Anyway, Bear's mobility has improved greatly. He is remarkbley improved in so many ways. I am thrilled with change in him. This change wasn't over night, and he isn't a puppy again. But, his life is radically improved. I wanted his "golden" years to be comfortable, healthy, and happy. I didn't want to cry every time I saw him try to stand up, only to see him fall back down over and over. Bear has been doing well with Nzymes and has gained some extra years. By the way, Bear is a 110 pound Shephard, Malamute and Husky mix. I hope you will give this product a try for the improved health of your furry buddy.