European chestnut
European chestnut


European chestnut (Castanea sativa) is a tree. The fruit (chestnut) can be roasted and eaten as food. The leaves and bark are used in medicine.

European chestnut contains chemicals called tannins and flavonoids that might help reduce skin swelling and kill bacteria.

People use European chestnut for bronchitis, diarrhea, nausea, and other conditions, but there is no good scientific evidence to support these uses.
When taken by mouth: European chestnut fruit (chestnut) is possibly safe when eaten as a food. There isn't enough reliable information to know if the fruit, leaf, or bark are safe when used in larger amounts as medicine or what the side effects might be.

Special Precautions & Warnings:

Pregnancy and breast-feeding: There isn't enough reliable information to know if European chestnut is safe to use when pregnant or breast-feeding. Stay on the safe side and avoid use.


There is interest in using European chestnut for a number of purposes, but there isn't enough reliable information to say whether it might be helpful.
Likely effective Effectiveness definitions
Possibly effective Effectiveness definitions
Likely ineffective Effectiveness definitions
Possibly ineffective Effectiveness definitions
Insufficient evidence Effectiveness definitions

Dosing & administration

There isn't enough reliable information to know what an appropriate dose of European chestnut might be. Keep in mind that natural products are not always necessarily safe and dosages can be important. Be sure to follow relevant directions on product labels and consult a healthcare professional before using.

Interactions with pharmaceuticals

It is not known if European Chestnut interacts with any medicines. Before taking European Chestnut, talk with your healthcare professional if you take any medications.

Interactions with herbs & supplements

There are no known interactions with herbs and supplements.

Interactions with foods

There are no known interactions with foods.
Sweet Chestnut
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This monograph was last reviewed on 07/12/2023 11:00:00 and last updated on 15/09/2020 22:32:34. Monographs are reviewed and/or updated multiple times per month and at least once per year.
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