New discovery of barley for joint pain: more than 30 grams have a significant effect! New discovery of barley for joint pain: more than 30 grams have a significant effect! New discovery of barley for joint pain: more than 30 grams have a significant effect! New discovery of barley for joint pain: more than 30 grams have a significant effect! New discovery of barley for joint pain: more than 30 grams have a significant effect! New discovery of barley for joint pain: more than 30 grams have a significant effect!