My dog Angel, a cockapoo who will be 16 in October 2017 began using Canna Pet 5 months ago. She would tremble before she would sit or lie down. She was obviously in pain and the vet just prescribed Valium. It sedated her but did not alleviate the pain. I was reluctant but tried Canna Pet. I began giving her 2 biscuits or pills a day and she was noticeably better within 2 weeks. She now leaps up steps, has lots of energy, and never trembles before siting or laying down. I have cut back her dose to once a day! Every pet owner should know about this product!