Lactose intolerance

After the undecomposed and absorbed lactose enters the colon, it is fermented by the bacteria present in the intestine into small molecule organic acids such as acetic acid, propionic acid, butyric acid, etc., and produces some gases such as methane, H2, CO2, etc. Those who are reabsorbed by the colon, but not absorbed or lactose that has not been decomposed, can cause bowel sounds, bloating, abdominal pain, exhaust, discomfort, and diarrhea. Some people also have belching and nausea. These symptoms are called lactose intolerance. Symptoms of lactose intolerance vary widely. Severe lactose intolerance occurs more than 30 minutes to several hours after taking a certain amount of lactose.

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