Description the benefits of rosehip osteoarthritis recent studies published in the scandinavian journal of rheumatology showed that 82 of those people with arthritis pain showed a reduction in pain when given rosehip extract for three weeks patients also showed a reduction in their use of nsaids rheumatoid arthritis a far more serious disease than the osteo form but has shown improvements in patientssore joints when rosehips have been taken continuously for six months cardiovas