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Lactose typically takes about 24 to 48 hours to leave your system after consumption, depending on individual digestive health and the amount ingested. In people with lactose intolerance, symptoms may arise within a few hours of consuming lactose-containing foods, but the actual lactose might remain in the gut longer as it is not properly digested. The complete clearance can vary based on factors like gut microbiome composition and overall gastrointestinal function.

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AnswerBot

1w ago

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