Eucommia bark comes from the Eucommia ulmoides tree, known as “Du-Zhong” in Mandarin. This unique tree, native to China, produces a bark that has been used in traditional Chinese medicine (TCM) for thousands of years. Recently, eucommia bark has grown in popularity around the world due to its wide range of associated health benefits. From joint health to heart health, eucommia bark has become a coveted supplement.
What is the common name for eucommia?
The Eucommia ulmoides tree is more commonly known as the hardy rubber tree, gum rubber tree, or gutta-percha tree. The tree is the only species of Eucommia, making eucommia bark fairly exclusive. The bark is often referred to simply as “du zhong”.
What is eucommia extract?
Eucommia bark extract refers to the phytochemicals derived from eucommia bark. Through various extraction and processing methods, key compounds are isolated from the bark for medicinal use. These plant-based compounds are believed to be responsible for eucommia’s wide range of therapeutic effects.
Traditional Uses of Eucommia Bark
- Eucommia Bark in Traditional Chinese Medicine (TCM)
TCM utilizes a holistic approach to health and healing, emphasizing harmony between body, mind, and spirit. Herbal therapies, like eucommia bark, are a major component of TCM treatment. According to TCM principles, eucommia bark supplements the “liver” and “kidneys”, replenishing vital essence.
In TCM, eucommia bark has traditionally been used for various applications:
- Promoting joint health and flexibility
- Supporting healthy blood pressure
- Increasing longevity
- Boosting immune function
Through these mechanisms, eucommia bark promotes overall well-being.
- Eucommia Bark in Other Traditional Practices
In Korean traditional medicine, eucommia bark tea or extract has been used to support liver health. Historical records also indicate medicinal use in other Asian countries. As its popularity grows, eucommia bark is gaining recognition across the world.
What are the benefits of eucommia?
- Phytochemicals Present in Eucommia Bark
Eucommia bark contains a variety of health-promoting plant compounds such as iridoids, flavonoids, lignans, terpenes, and polysaccharides. Two major active components are:
- Eucommiol: Associated with regulating blood pressure, inflammation inhibition, and increased collagen production
- Eucommia lignin: Linked to bone and joint health benefits
These potent plant compounds likely contribute to eucommia’s wide-ranging therapeutic benefits.
- Support for Joint Health
Multiple investigations indicate eucommia bark’s ability to support joint health. A 2019 analysis of research found eucommia supplementation effectively improved joint function and flexibility in subjects with limited mobility. The bounty of polysaccharides (complex carbs) and other anti-inflammatory agents explain these effects. By lubricating joints, reducing swelling, and blocking inflammatory pathways, eucommia bark relieves joint discomfort.
- Blood Pressure Regulation
A comprehensive review published in 2018 compiled data from 14 high-quality studies on eucommia bark and blood pressure regulation; researchers concluded eucommia bark assists with maintaining healthy blood pressure levels. While the mechanism is still unclear, scientists believe potent compounds in eucommia bark, like eucommia lignin, balance blood pressure.
Other Uses and Applications
Culinary - Young eucommia leaves and shoots can be eaten or used to brew medicinal tea. The sap from eucommia trees has also been incorporated into teas, aromas, jellies, wine, and other foods across China and Korea.
Industry – With its high rubber content, eucommia bark shows potential in natural rubber production processes.
Beauty – The bark and leaves contain compounds used in various cosmetics; research also indicates eucommia bark extract assists with collagen production for youthful looking skin.
What are the side effects of Eucommia?
Eucommia bark is considered very safe, especially when taken as recommended by a healthcare provider. Moderate, short-term use of eucommia bark preparations results in very few adverse effects. However, little data exists on long-term usage.
There are some warnings to consider before using eucommia supplements:
- Possible interactions with blood pressure and diabetes medications
- Allergic reactions in those sensitive to plants in the Eucommiaceae family
- Stomach upset, diarrhea, or nausea when doses exceed recommendations
Always consult your physician before using eucommia bark supplements. The generally recommended dosage is 300-500 mg taken 1-3 times per day.
Ecdysterone shows early promise as a supplement for supporting muscle growth and performance. However, the current evidence is still considered weak due to poor study quality and design issues. More controlled human trials are needed to confirm both its efficacy and safety.
While severe side effects are rare at appropriate doses, ecdysterone can act as a steroid and may carry similar long-term risks if misused. Prudent use is advised until more robust data is available, especially regarding impacts on hormones and organ systems. Bloodwork monitoring may also be warranted for certain users.
For those who wish to trial ecdysterone supplements, doses should be kept within 200-800 mg daily, cycled for 6-10 weeks at a time. Higher doses or continuous use is not recommended. As with any new supplement lacking sufficient safety data, consuming ecdysterone does carry some risk that users should aware of.
With more high-quality research, ecdysterone may prove to be a useful ergogenic aid. But for now, a cautious approach is warranted, especially for those with pre-existing health conditions. Speak to your doctor before considering ecdysterone supplementation.
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Wilborn CD, et al. Effects of methoxyisoflavone, ecdysterone, and sulfo-polysaccharide supplementation on training adaptations in resistance-trained males. J Int Soc Sports Nutr. 2006
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Sakamoto, Y., Nishihama, T., & Ide, M. (2018). Effects of eucommia leaf extracts on autonomic nerves, body temperature, lipolysis, food intake, and body weight. Medical Science Monitor Basic Research, 24, 226–234.
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