Our Mastiff/Bulldog mix Leonard has been having hip issues. Was giving him glucosamine tablets. Have already been using Natural Dog Company products so when this became available had to try it. Leonard loves it on his food and I love that it is liquid and better absorbed. Unfortunately he does have a torn ACL yet we had to take what we are giving him with us for his consultation for surgery. The vet was intrigued by this Glucosamine and is going to look into it himself. He was impressed! Love all Natural Dog Company products!!