Description:
Chai Hu (Bupleurum chinense / Bupleurum scorzonerifolium) is a traditional Chinese herbal medicine prepared from the dried root of Bupleurum, a perennial herb in the Apiaceae family. It is commonly known as Chai Hu, Bupleurum Root, Radix Bupleuri, Bupleurum Root, and Chinese Bupleurum. In Traditional Chinese Medicine (TCM), Chai Hu is traditionally valued for its ability to harmonize and regulate the Shaoyang, soothe the Liver, regulate Qi, and support the normal movement of Qi.
Chai Hu is traditionally considered an important herb for patterns involving constrained Liver Qi and disharmony between the exterior and interior. It is traditionally associated primarily with the Liver and Gallbladder meridians and is commonly included in formulas intended to address alternating sensations of hot and cold, chest and rib-side discomfort, irritability, mood changes, and digestive discomfort associated with traditional TCM patterns.
Chai Hu is traditionally used to harmonize the Shaoyang and release constrained Qi. In TCM, it may be selected in traditional formulas for alternating chills and fever, a sensation of fullness or discomfort in the chest and hypochondriac region, reduced appetite, nausea, and other symptoms associated with Shaoyang disharmony.
Chai Hu is also traditionally used to soothe the Liver and regulate Liver Qi. It may be included in traditional formulas for emotional tension, irritability, chest or rib-side fullness, abdominal discomfort, and menstrual discomfort associated with traditional Liver Qi stagnation patterns.
Chai Hu is traditionally used to promote the movement of Qi and support healthy digestive function. It may be combined with other herbs in formulas intended to address digestive fullness, reduced appetite, nausea, and abdominal discomfort associated with constrained Qi.
Chai Hu is also traditionally used to raise Yang Qi in specific TCM patterns. It may be incorporated into traditional formulas when there is a traditional pattern of sinking or deficiency of Qi, particularly when combined with strengthening herbs.
Benefits:
- Traditionally used to support healthy Liver Qi movement
- Traditionally used to regulate and promote the normal movement of Qi
- Traditionally used to harmonize the Shaoyang according to Traditional Chinese Medicine principles
- Traditionally used to soothe the Liver according to TCM principles
- Traditionally used to support healthy digestive function
- Traditionally used to support normal appetite and gastrointestinal function
- Traditionally used to relieve sensations of fullness or discomfort in the chest and rib-side region associated with traditional Qi stagnation patterns
- Traditionally used to support emotional balance associated with traditional Liver Qi stagnation patterns
- Traditionally used to support comfortable digestion and normal abdominal function
- Traditionally used to support healthy menstrual comfort according to traditional TCM principles
- Traditionally used to raise Yang Qi in appropriate traditional TCM patterns
- Traditionally used as a harmonizing ingredient in traditional herbal formulas
- Traditionally used in formulas addressing Liver and Gallbladder disharmony
- Traditionally used to support overall Qi regulation according to TCM principles
Other Names:
Chai Hu, Chai Hu (柴胡), Chaihu, Bupleurum Root, Chinese Bupleurum, Bupleurum Root Radix, Radix Bupleuri, Radix Bupleuri Chinensis, Bupleurum chinense DC., Bupleurum scorzonerifolium Willd., and Bupleurum Root.
Indian names: चाई हू (Chai Hu), बुुप्ल्यूरम रूट (Bupleurum Root), बुुप्ल्यूरम चिनेंस (Bupleurum chinense), and चाइनीज़ बुुप्ल्यूरम (Chinese Bupleurum).
Persian names: ریشه چترگندمی (Chai Hu / Bupleurum Root), چای هو (Chai Hu), بوپلوروم چینی (Chinese Bupleurum), ریشه بوپلوروم (Bupleurum Root), and رادیکس بوپلوری (Radix Bupleuri).
Traditional Uses:
In Traditional Chinese Medicine, Chai Hu is traditionally used to harmonize the Shaoyang and regulate the movement of Qi. It is traditionally selected for alternating sensations of chills and warmth, chest or rib-side fullness, nausea, reduced appetite, and other symptoms associated with traditional Shaoyang disharmony.
Chai Hu is traditionally used to soothe the Liver and regulate Liver Qi. It may be included in traditional formulas for irritability, emotional tension, chest and rib-side discomfort, abdominal fullness, and menstrual discomfort associated with traditional Liver Qi stagnation.
Chai Hu is also traditionally used to regulate Qi and support healthy digestive function. It is commonly combined with other herbs in traditional formulas for digestive discomfort, nausea, reduced appetite, and abdominal distension.
Traditionally, Chai Hu may also be used to raise Yang Qi when there is a traditional pattern of sinking or deficient Qi. In these applications, it is generally combined with appropriate Qi-tonifying herbs according to the individual’s traditional pattern.
Chai Hu is often combined with other TCM herbs according to the individual’s traditional pattern, constitution, and specific symptoms.
Side Effects:
Chai Hu is generally used as a traditional herbal preparation under the guidance of a qualified practitioner. Some individuals may experience gastrointestinal discomfort, nausea, abdominal discomfort, headache, dizziness, or other unwanted symptoms.
Allergic reactions are possible in sensitive individuals.
Because concentrated extracts and whole-herb preparations may differ substantially in their constituents and physiological effects, tolerability can vary according to the preparation, dose, and duration of use.
Discontinue use and consult a healthcare practitioner if unwanted symptoms occur.
Precautions:
Consult a healthcare practitioner prior to use if you are taking prescription medications or other natural health products, or if you have a medical condition.
Consult a qualified healthcare practitioner or Traditional Chinese Medicine practitioner before use if you have a chronic liver or gallbladder condition or a history of liver problems.
Consult a healthcare practitioner before use if you experience persistent abdominal pain, nausea, vomiting, jaundice, or other unexplained digestive or systemic symptoms.
Consult a healthcare practitioner before use if you have a known allergy to plants in the Apiaceae family.
Do not use during pregnancy or breastfeeding unless directed by a qualified healthcare practitioner or Traditional Chinese Medicine practitioner.
Consult a healthcare practitioner before use if you have a serious or major medical condition.
Discontinue use and consult a healthcare practitioner if symptoms persist or worsen or if new symptoms develop.
Interactions:
Consult a healthcare practitioner before using Chai Hu with prescription medications or other natural health products.
Human clinical interaction data for whole-herb Chai Hu preparations are limited. The potential for interactions may vary according to the species, preparation, dose, duration of use, and other ingredients included in a formula.
Individuals taking medications that affect liver function should seek professional guidance before using concentrated Chai Hu preparations.
Individuals taking multiple medications or combining Chai Hu with other concentrated herbal preparations should consult a qualified healthcare practitioner before use.
Dosing:
Use according to the product label or as directed by a qualified healthcare practitioner or Traditional Chinese Medicine practitioner.
Traditional Chinese Medicine references commonly describe Chai Hu in an approximate range of 3–9 g when used as a decoction, although the appropriate amount depends on the preparation, formula, individual constitution, and clinical circumstances.
For a 50 g bulk-herb product, the package quantity should not be interpreted as a recommended daily dose.
Storage:
Store in a cool, dry place away from direct sunlight. Keep tightly closed and out of reach of children.
Preparation:
If using dried Chai Hu root, prepare according to the directions provided by your Traditional Chinese Medicine practitioner or product instructions. Traditionally, Chai Hu is commonly sliced and prepared as a decoction or used as part of a TCM herbal formula.
Chai Hu may also be powdered or incorporated into traditional herbal preparations. Preparation methods can vary according to the intended traditional application and the other herbs included in the formula.
Scientific Support:
Chai Hu is primarily derived from the roots of Bupleurum chinense and, depending on the pharmacopoeia and source, Bupleurum scorzonerifolium. It has a long history of use in Traditional Chinese Medicine, particularly for traditional patterns involving Shaoyang disharmony, Liver Qi constraint, digestive discomfort, and sinking Yang Qi.
Bupleurum species contain triterpene saponins known as saikosaponins, as well as flavonoids, polysaccharides, volatile constituents, and other phytochemicals. Modern pharmacological research has investigated Bupleurum species for potential anti-inflammatory, immunomodulatory, hepatoprotective, gastrointestinal, and other biological activities.
Laboratory and animal studies have investigated extracts and isolated constituents of Bupleurum for effects involving inflammatory pathways, immune responses, liver function, and other physiological processes. These findings provide scientific interest in the herb but do not establish that whole-herb Chai Hu is effective for treating specific medical conditions in humans.
Clinical evidence for Chai Hu varies according to the preparation, formula, species, and health condition studied. Traditional use is extensive, but additional high-quality human clinical research is needed to establish specific therapeutic applications, effectiveness, safety, and dosing.
References & Scientific Support:
PubMed – Bupleurum / Radix Bupleuri research. Published research has investigated Bupleurum species and Radix Bupleuri (Chai Hu), including its traditional applications, phytochemistry, saikosaponins, pharmacology, and safety. View Research.
PubMed – Bupleurum chinense research. Scientific literature has examined Bupleurum chinense, including research on its roots, triterpenoid saponins, flavonoids, and potential biological activities. View Research.
Health Canada – Licensed Natural Health Product Database (LNHPD). Health Canada provides regulatory information for licensed natural health products and Traditional Chinese Medicine products. Product-specific licensing information should be verified according to the exact formulation, dosage form, processing method, medicinal ingredients, and recommended use. View Health Canada Reference.











