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Ligusticum Chuanxiong (Chuan Xiong)

Ligusticum chuanxiong Hort.
Evidence Level
Limited
2 Clinical Trials
5 Documented Benefits
2/5 Evidence Score

Ligusticum chuanxiong, known as Chuan Xiong in traditional Chinese medicine, is a perennial herb in the Apiaceae family whose dried rhizomes have been used for centuries to support circulation, ease menstrual discomfort, and address headaches. Its phytochemistry is dominated by alkylphthalides (notably ligustilide and senkyunolides), the alkaloid tetramethylpyrazine (also called ligustrazine or TMP), and various phenolic acids such as ferulic acid. Modern research focuses on the cardiovascular, cerebrovascular, and anti-inflammatory activities of tetramethylpyrazine and ligustilide, which are explored in both preclinical models and Chinese clinical settings, often as injectable or standardized extracts.

Studied Dose Traditional decoctions use 3-9 g/day of dried rhizome; modern standardized extracts typically deliver 50-200 mg/day of tetramethylpyrazine-rich preparations.
Active Compound Tetramethylpyrazine (ligustrazine), ligustilide, senkyunolides, and ferulic acid concentrated in the rhizome.

Benefits

Supports Healthy Circulation

Chuan Xiong has long been used in traditional formulas to promote healthy blood flow. Tetramethylpyrazine and ligustilide are studied for their ability to help maintain vascular tone and microcirculation in peripheral and cerebral vascular beds.

Supported by Trial 2, Trial 1

Promotes Cerebrovascular Wellness

Tetramethylpyrazine is widely investigated in cerebrovascular research and is used in China as a supportive agent for circulatory health in the brain. As a botanical supplement, standardized extracts may help support healthy cerebral perfusion.

Supported by Trial 1, Trial 2

Helps Ease Occasional Headaches

Chuan Xiong is a classical TCM herb for the management of occasional headache and head heaviness. Constituents that influence vascular tone and inflammatory signaling may help support comfort during occasional tension- or vascular-related headaches.

Supported by Trial 2

Supports Menstrual Comfort

Used in many traditional women's formulas, Chuan Xiong is associated with supporting healthy circulation in the pelvic region. This may help promote menstrual comfort as part of broader botanical blends used in women's health.

Supported by Trial 2, Trial 1

Promotes Antioxidant Balance

Ferulic acid and related phenolics in Chuan Xiong contribute to its antioxidant profile, helping support the body's defense against oxidative stress that can affect vascular and neuronal tissues.

Supported by Trial 2

Mechanism of action

1

Calcium Channel Modulation

Tetramethylpyrazine has been shown to modulate voltage-dependent calcium channels in vascular smooth muscle, helping promote vasorelaxation and improved microcirculation in preclinical vascular models.

2

Platelet Aggregation Modulation

Constituents such as tetramethylpyrazine and ferulic acid can inhibit platelet aggregation by interfering with thromboxane A2 formation and ADP signaling, supporting healthy hemorheology in preclinical studies.

3

Antioxidant & Anti-Inflammatory Activity

Phthalides and phenolic acids scavenge reactive oxygen species and modulate NF-kB and MAPK signaling, contributing to anti-inflammatory effects observed in cerebrovascular and cardiovascular models.

4

Endothelial Nitric Oxide Support

Tetramethylpyrazine may enhance endothelial nitric oxide synthase activity, promoting nitric oxide-mediated vasodilation and helping support endothelial function in vessels exposed to ischemic or oxidative stress in animal studies.

Clinical trials

1
Tetramethylpyrazine in Cerebrovascular Health

Clinical pharmacology review

Patients with cerebrovascular conditions in Chinese clinical practice

Reviews of tetramethylpyrazine use in cerebrovascular settings report favorable effects on hemorheologic parameters and microcirculation, supporting its long-standing role as an adjunct to conventional therapy in some healthcare systems. Quality of trials is heterogeneous.

2
Ligustilide Pharmacology Review

Preclinical and translational review

Animal models and limited human pharmacokinetic data

Comprehensive reviews of ligustilide describe vasodilatory, neuroprotective, and anti-inflammatory activity across multiple preclinical paradigms, with emerging pharmacokinetic data outlining its absorption and distribution after oral administration of Chuan Xiong extracts.

Side effects and drug interactions

Common Potential side effects

Mild gastrointestinal upset such as nausea or loose stools may occur.
Headache or dizziness has been reported in some users at higher doses.
Skin rash or itching may occur in individuals sensitive to Apiaceae botanicals.
Excessive use may contribute to increased bleeding tendency in susceptible individuals.

Important Drug interactions

May enhance effects of anticoagulants such as warfarin or antiplatelets like aspirin.
Could potentiate blood-pressure-lowering effects of antihypertensive medications.
May interact with vasodilators including nitrates; use under medical supervision.
Caution is warranted when combined with other herbs affecting platelets such as ginkgo.

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Frequently asked questions about Ligusticum Chuanxiong (Chuan Xiong)

What is the recommended dosage of Ligusticum Chuanxiong (Chuan Xiong)?

The clinically studied dose for Ligusticum Chuanxiong (Chuan Xiong) is Traditional decoctions use 3-9 g/day of dried rhizome; modern standardized extracts typically deliver 50-200 mg/day of tetramethylpyrazine-rich preparations.. Always follow product labeling and consult a healthcare provider for personalized dosing recommendations.

What is Ligusticum Chuanxiong (Chuan Xiong) used for?

Ligusticum Chuanxiong (Chuan Xiong) is studied for supports healthy circulation, promotes cerebrovascular wellness, helps ease occasional headaches. Chuan Xiong has long been used in traditional formulas to promote healthy blood flow. Tetramethylpyrazine and ligustilide are studied for their ability to help maintain vascular tone and microcirculation in peripheral and cerebral vascular beds.

Are there side effects from taking Ligusticum Chuanxiong (Chuan Xiong)?

Reported potential side effects may include: Mild gastrointestinal upset such as nausea or loose stools may occur. Headache or dizziness has been reported in some users at higher doses. Always consult a healthcare provider before starting any new supplement, especially if you have underlying conditions or take medications.

Does Ligusticum Chuanxiong (Chuan Xiong) interact with medications?

Known drug interactions may include: May enhance effects of anticoagulants such as warfarin or antiplatelets like aspirin. Could potentiate blood-pressure-lowering effects of antihypertensive medications. Consult a pharmacist or healthcare provider if you take prescription medications.

Is Ligusticum Chuanxiong (Chuan Xiong) good for cardiovascular?

Yes, Ligusticum Chuanxiong (Chuan Xiong) is researched for Cardiovascular support. Chuan Xiong has long been used in traditional formulas to promote healthy blood flow. Tetramethylpyrazine and ligustilide are studied for their ability to help maintain vascular tone and microcirculation in peripheral and cerebral vascular beds.

References(2 citations)

Evidence ratings on NutraSmarts are based on the totality of human clinical research, with emphasis on randomized controlled trials, meta-analyses, and systematic reviews. The references below directly support claims made throughout this page.

  1. Or TC, Yang CL, Law AH, Li JC, Lau AS. Isolation and identification of anti-inflammatory constituents from Ligusticum chuanxiong and their underlying mechanisms of action on microglia. Neuropharmacology. 2011;Neuropharmacology. 2011;60(6):823-831..PubMedUsed to support: Identified anti-inflammatory phthalide constituents from Ligusticum chuanxiong and characterized their mechanisms of action in modulating microglial activation, supporting neuroprotective applications.
  2. Chen Z, Zhang C, Gao F, et al. A systematic review on the rhizome of Ligusticum chuanxiong Hort. (Chuanxiong). Food and Chemical Toxicology. 2018;Food Chem Toxicol. 2018;119:309-325..PubMedUsed to support: Comprehensive systematic review of Ligusticum chuanxiong covering phytochemistry, pharmacology including cardiovascular and cerebrovascular effects, traditional uses, and toxicology.