<p>Glucosamine and chondroitin sulfate are two natural substances that are found in normal joint tissue and have produced tremendous results in reducing the pain and discomfort caused by arthritis. These two substances are the foundation for the natural arthritis program recommended by Jason Theodosakis, M.D., M.S., M.P.H. in his best selling book "The Arthritis Cure". According to Dr.</p>
