Thats how I discovered it too!Originally Posted by harleystrongman
I noticed it on all the dog food for older dogs, added for joint troubles...
And went to the health food store to find it for humans, sure enuff its very common.
You have to make sure your taking the right dosage, typically 2 pills 2-3x daily, and also give it some time to work, it takes a little time to get it 'built up' in your system.