Pagoda tree
Pagoda tree


Pagoda tree (Styphnolobium japonicum) is a plant found in China, Japan, and Korea. The flowers, buds, and fruit are used in traditional medicine.

Pagoda tree contains chemicals similar to those found in soy. These chemicals might help with symptoms of menopause. Chemicals in pagoda tree might also reduce swelling and slow the growth of prostate tissue.

People use pagoda tree for hemorrhoids, symptoms of menopause, and many other conditions, but there is no good scientific evidence to support these uses.
When taken by mouth: The fruit of pagoda tree is possibly safe. A specific brand of pagoda tree fruit extract (Rexflavone, Rexgene Biotech Co. Ltd.) has been used safely for up to 12 weeks. But pagoda tree seeds are possibly unsafe for most people. The seeds might cause serious side effects including facial swelling or death.

Special Precautions & Warnings:

Pregnancy and breast-feeding: It's possibly unsafe to take pagoda tree seeds by mouth while pregnant or breast-feeding. There isn't enough reliable information to know if the fruit is safe. Stay on the safe side and avoid use of any part of pagoda tree.


There is interest in using pagoda tree 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 pagoda tree 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


Interaction Rating=Moderate Be cautious with this combination.

Pagoda tree contains the chemical genistein. Genistein might slow down how quickly the body gets rid of caffeine. It isn't known if pagoda tree contains enough genistein to change the levels or side effects of caffeine.

Interactions with herbs & supplements

Caffeine-containing herbs and supplements: Pagoda tree contains genistein. Genistein might decrease how quickly the body breaks down caffeine. Taking pagoda tree with caffeine might increase caffeine levels and side effects. Examples of supplements that contain caffeine include black tea, coffee, green tea, guarana, and yerba mate.

Interactions with foods

There are no known interactions with foods.
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This monograph was last reviewed on 26/08/2023 10:00:00 and last updated on 09/10/2020 21:27:32. Monographs are reviewed and/or updated multiple times per month and at least once per year.
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