Our Members Asked:
Can turmeric or curcumin with black pepper extract cause constipation? I had this problem, but it resolved when I switched to a curcumin supplement without piperine (black pepper extract).
Black pepper extract (trademarked as Bioperine®), which contains a compound called piperine, is sometimes added to turmeric or curcumin supplements to increase bioavailability. There does not appear to be any evidence that it causes constipation, or has other adverse effects, when taken in typical doses -- although there is a potential concern about taking piperine with certain medications. For more details, plus information about other bioavailability enhancers added to turmeric and curcumin, and our tests and comparisons products, see the Turmeric and Curcumin Supplements Review >>
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