American Chestnut

View Slideshow Pictures

What other names is American Chestnut known by?

Castanea americana, Castanea dentata, Castaño Americano, Châtaignier Américain, Châtaignier d'Amérique.

What is American Chestnut?

American chestnut is a plant. The leaves and bark of the plant are used to make medicine.

People take American chestnut as a tea for cough, breathing problems, arthritis-like pain (rheumatism), and swelling. They also take it for its calming effects (as a sedative).

Some people gargle with American chestnut for sore throat.

In foods, an extract of American chestnut is used in beverages.

Insufficient Evidence to Rate Effectiveness for...

  • Cough.
  • Arthritis-like pain (rheumatism).
  • Swelling.
  • Promoting calmness.
  • Sore throat, when used as a gargle.
  • Other conditions.
More evidence is needed to rate the effectiveness of American chestnut for these uses.

Natural Medicines Comprehensive Database rates effectiveness based on scientific evidence according to the following scale: Effective, Likely Effective, Possibly Effective, Possibly Ineffective, Likely Ineffective, and Insufficient Evidence to Rate (detailed description of each of the ratings).

Quick GuideVitamin D Deficiency: How Much Vitamin D Is Enough?

Vitamin D Deficiency: How Much Vitamin D Is Enough?

How does American Chestnut work?

American chestnut contains chemicals called tannins, which help reduce swelling.

Are there safety concerns?

American chestnut is safe for most people in the amounts found in food and beverages. It is not known if American chestnut is safe in the larger amounts typically used as medicine. American chestnut might cause some side effects such as stomach and intestinal problems, kidney and liver damage, and certain cancers.

Special Precautions & Warnings:

Pregnancy and breast-feeding: Not enough is known about the use of American chestnut during pregnancy and breast-feeding. Stay on the safe side and avoid use.

Are there any interactions with medications?



Medications taken by mouth (Oral drugs)
Interaction Rating: Moderate Be cautious with this combination.
Talk with your health provider.

American chestnut contains a large amount of chemicals called tannins. Tannins absorb substances in the stomach and intestines. Taking American chestnut along with medications taken by mouth can decrease how much medicine your body absorbs, and decrease the effectiveness of your medicine. To prevent this interaction, take American chestnut at least 1 hour after medications you take by mouth.

Dosing considerations for American Chestnut.

The appropriate dose of American chestnut depends on several factors such as the user's age, health, and several other conditions. At this time there is not enough scientific information to determine an appropriate range of doses for American chestnut. 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 your pharmacist or physician or other healthcare professional before using.

FDA Logo

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.

Reviewed on 3/29/2011 12:35:40 PM

Health Solutions From Our Sponsors