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fiber and medications

Fiber can reduce medication absorption

What's happening

Fiber supplements can bind to medications and reduce their absorption. Affects many medications.

Recommendation

Take medications 1-2 hours before or after fiber supplements.

Timing

Separate by 1-2 hours

Sources

  • — American Journal of Health-System Pharmacy

Frequently Asked Questions

Can I take fiber and medications together?

Fiber can reduce medication absorption. Take medications 1-2 hours before or after fiber supplements.

How should I time fiber and medications?

Separate by 1-2 hours

Is this interaction dangerous?

This interaction is rated “Caution” by Formulate. Fiber supplements can bind to medications and reduce their absorption. Affects many medications.

Want to check your whole stack?

The free checker lets you add any combination of supplements and medications at once. Formulate's desktop app goes further — every stack change surfaces interaction alerts automatically.

Open the checkerGet the desktop app

Medical disclaimer. This page is for educational purposes only and does not replace advice from a qualified healthcare provider.