
Keywords: Chondroitin; Glucosamine; Knee osteoarthritis; Symptomatic slow-acting drugs for osteoarthritis (SYSADOAs); CS; chondroitin 4&6 sulfate; GH; glucosamine hydrochloride; GS; glucosamine sulfate; pCGS; patented crystalline glucosamine sulfate; SYSADOAs; symp