Dr. Klein claims that research on glucosamine and chondroitin are conflicting, however some display a advantageous effect on arthritis pain. Analysis in Veterinary Science: "A comparison of the results of hydromorphone HCl in addition to a novel prolonged launch hydromorphone on arterial blood gas values in acutely aware healthy dogs." https://thca-side-effect01110.blogkoo.com/dog-immune-system-support-an-overview-54488853