The Bottom Line Nutraceuticals, like all food supplements, are not regulated by the Food and Drug Administration. Consequently, claims of efficacy on labels or in advertisements do not need to be substantiated by research. Check with your doctor first. Exercise is good for OA, but excessive or intense training might be unwise. This is particularly true for people with hip symptoms.
Improvement takes at least several weeks, if it happens at all.
Be an educated and skeptical consumer of everything you put into your body. Nutraceuticals as therapeutic agents in osteoarthritis. Rheumatic Disease Clinics of North America. Bassleer C, Rovati L, Franchimont P. Stimulation of proteoglycan production by glucosamine sulfate in chondrocytes isolated from human osteoarthritic articular cartilage in vitro. Hype about glucosamine.