Harvard Health Letter

By the way, doctor: Will a fiber supplement interfere with my medications?

Q. I take a fiber supplement, but have heard that I shouldn't be taking it at the same time as medication. How far apart should I take fiber and medicines such as Plavix and Crestor?

A. I conferred with Benedict J. DiRusso, director of pharmacy at Harvard University Health Services, about your question.

Both clopidogrel (Plavix), a drug that helps prevent blood clots, and rosuvastatin (Crestor), which lowers cholesterol, can be taken with meals, even meals that have a lot of fiber. And don't stint on your fiber intake. A high-fiber diet (fruits, vegetables, and whole grains) lowers the risk of developing heart disease, stroke, and diabetes.

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