Black Walnut

How does Black Walnut work?

Black walnut contains high concentrations of chemicals called tannins, which can reduce pain and swelling and dry up body fluids such as mucous.

Are there safety concerns?

Black walnut is POSSIBLY SAFE for most people when taken by mouth short-term. It is not known what the possible side effects from short-term use might be.

Black walnut is POSSIBLY UNSAFE when applied directly to the skin. It contains a chemical called juglone that might cause tongue or lip cancer, especially if applied daily.

Special Precautions & Warnings:

Pregnancy and breast-feeding: Don't apply black walnut to the skin if you are pregnant or breast-feeding. This topical use is POSSIBLY UNSAFE. There is not enough reliable information about the safety of black walnut taken by mouth if you are pregnant or breast-feeding. Stay on the safe side and avoid use.


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Report Problems to the Food and Drug Administration

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.


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