Supplement combo may slow progression in OA

The popular over-the-counter supplements glucosamine and chondroitin reduce joint space narrowing in symptomatic knee osteoarthritis when taken in combination, Australian researchers say.

Their randomised study of over 600 patients found a decrease of 0.1mm in joint space narrowing (JSN) after two years of daily combination treatment, compared to placebo.

Fourteen patients would need to take glucosamine-chondroitin for two years to avoid one knee replacement surgery within the following 2-5 year period, the