Wheatgrass Powder for IBS! John suffers from irritable bowel syndrome , and sometimes he get shocking stomach cramps and diarrheah. After years of suffering, he have finally found something that works. Buy some wheatgrass powder from the health food store and mix up a double or triple dose of it with water and drink, followed by a glass of plain water. The taste may be awful, but the instant relief makes it soooo worth it!!!!!!