A Comparison of Clinical Outcomes Among Undenatured Collagen Type II, Glucosamine Sulfate, and Diacerein on Osteoarthritic Knee Treatment: A Randomized Clinical Trial
Background: Knee osteoarthritis (OA) causes significant disability with limited effective treatments. Undenatured collagen type II (UC-II), prescription-grade crystalline glucosamine sulfate (pCGS), and diacerein have been proposed as alternatives to conventional analgesics, but their comparative efficacy remains uncer...