Eucommia ulmoides
Eucommia Bark
Eucommiaceae
At a Glance
- Common name
- Eucommia Bark
- Scientific name
- Eucommia ulmoides
- Family
- Eucommiaceae
- Region
- China
- Plant part
- Bark
- Caffeine
- None
- Evidence
- Limited
- Safety review
- Safety information on file
Safety & Cautions
Safety information on fileBotanical Description
A traditional Chinese tonic bark ('Du Zhong'), valued for supporting the kidneys, liver, and structural resilience.
A large deciduous tree whose leaves and bark yield silken threads of latex rubber when torn, a distinctive identifying feature.
Historical Background
Eucommia is one of the classic tonics of Traditional Chinese Medicine, listed in the Divine Farmer's Materia Medica. It has been cultivated in China for centuries.
Earliest recorded uses: Recorded in the Shennong Ben Cao Jing (circa 1st century CE) as a superior, non-toxic tonic.
Cultural significance: Revered in TCM as a longevity herb supporting the lower back, joints, and vitality.
Traditional preparations:
- Bark decoction
- Powdered bark in formulas
Traditional Uses
These uses document historical traditions and do not imply proven effectiveness.
Traditional Chinese Medicine
Used to tonify liver and kidney, strengthen tendons and bones, and support blood pressure balance.
Flavor & Aroma
Aroma: Woody, faintly sweet
Tea Preparation
Modern Evidence
Contains aucubin and chlorogenic acid with antihypertensive effects in animal studies; some human trials suggest modest blood pressure benefit, though more research is needed.
Evidence levels describe the state of research for the traditional use discussed here, not a recommendation. Historical use does not imply effectiveness.
Related Herbs
Entry last updated August 29, 2026