Baohe Wan
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Baohe Wan (Chinese: 保和丸) is a greyish-brown, slightly sour and astringent pill used in Traditional Chinese medicine to "stimulate digestion, remove retained food and regulate the stomach function".[1] It is used in cases where there is "retention of undigested food with epigastric and abdominal distension, foul belching, acid regurgitation and loss of appetite".