Dr. Klein suggests that scientific studies on glucosamine and chondroitin are conflicting, though some exhibit a effective effect on arthritis pain. Analysis in Veterinary Science: "A comparison of the results of hydromorphone HCl and also a novel prolonged release hydromorphone on arterial blood fuel values in acutely aware healthy dogs." https://thcafloweronline44444.blogminds.com/not-known-details-about-dog-relaxation-aids-32216777