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A member asked:
Does drinking a lot of wine make your poop black?
A doctor has provided 1 answer
Grapes: Wine is made from grapes, and when dark red grapes are used to make wine and the skins are left in the wine a very long time, this can cause a darkening of stool. But this could be sign of internal GI bleeding so it is best to get this check out especially if the stool is sticky, tarry or smelly.
Answered 6/30/2021
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