Joint Flex works better than Ibuprofen
In a double – blind study comparing glucosamine sulfate to ibuprofen in treatment of osteoarthritis of the knees, glucosamine sulfate (an ingredient in Joint Flex from XCAP) was found to be slower in alleviating symptoms but MORE EFFECTIVE over an eight week period.
Vaz AL Double-blind clinical evaluation of the relative efficacy of ibuprofen and glucoseamine sulfate in the management of osteoarthritis of the knee in out-patients. Curr Med Res Opin. 1982; (3): 145-149
A large, multi-center trial in Portugal involving 252 physicians and 1208 subjects found oral supplementation to be MORE EFFECTIVE than all previous treatments (except glucosamine injection) in REDUCTING PAIN from exercise and decreasing limitations on active and passive movement after 6 to 12 weeks.