A member asked:

Do blueberries cause dark poop?

A doctor has provided 1 answer

No: The color is digested in your GI tract and will not cause your excretion to darken. Black poop is a sign of bleeding in the GI tract and should be investigated.

Answered 6/10/2014

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A member asked:

Do blueberries help you poop?

A doctor has provided 1 answer