RCT of 63 knee OA pts - given PBO or 40 g/d freeze-dried blueberry powder x 4 mos. Significant improvement in WOMAC total, Pain scoresand ADL scores in the blueberry group, but no change in TNFα,IL-1β, IL-6, IL-10, IL-13, MMP3, MMP-13, MCP-1 levels. https://t.co/wHzCJDOuiJ