Clusters of Responders and Predictive Factors for Response to Supplementation with Boswellia, Turmeric, and Red Algae Extracts in Painful Knee Osteoarthritis: A Prospective Observational Study Using an Arsenal of Patient-Centered Measures.

The results of this preliminary study suggest that the combination of boswellia, turmeric, and red algae extracts tested could improve KOA patients. Beyond these results, this study showed the importance of PROMs and specific pain qualitative descriptors for the accurate evaluation of dietary supplement approaches in painful conditions.