DOGtor Rx's Formula is scientifically and specifically formulated to improve the quality of the life of your precious dog. Some results that will be readily seen are increased energy for dogs with joint problems. You can also expect to see an improved appetite, more energy, and less anxiety. Just read the testimonials of some very caring dog owners who were having health issues with their dogs. If you don't see improvements in your dog after keeping him/her on DOGtor Rx's Formula for a month, we'll gladly refund your money! No questions asked!