Source: Archives of Internal Medicine
Summary:
Researchers examined randomized placebo controlled studies of glucosamine sulfate and chondrotin sulfate
Studies published between January 1980 and March 2002 that referred to effectiveness of supplements on knee arthritis were examined
Both supplements seemed safe and effective regarding pain, mobility, and other factors.
Comment: It might be worth trying these supplements for arthritis if your doctor agrees they might work for you
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