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Angelica sinensis

Dong Quai

Research reviewed: Up until 03/2026

Dong Quai (Angelica sinensis) is a dietary supplement with 6 published peer-reviewed studies involving 335 participants, researched for Women's Health & Menopause, Menstrual Regulation, Anti-inflammatory and 1 more areas.

6
Studies
335
Participants
1997–2011
Research Span

Evidence at a Glance

Strength is scored by study design, sample size, study type, and outcomes

Overall: Moderate Evidence

Women's Health & Menopause

Moderate
2 studies 0 of 2 positive 71 participants 1 human

Menstrual Regulation

Weak
1 study 0 of 1 positive 0 participants 0 human

Anti-inflammatory

Weak
1 study 0 of 1 positive 264 participants 0 human

Blood Circulation

Weak
2 studies 1 of 2 positive 0 participants 0 human

Research Visualised

Visual breakdown of the clinical data.

Study Quality Breakdown

What types of studies were conducted

1/6
Randomised
1/6
Double-Blind
1/6
Placebo-Controlled

Participants Per Study

Larger samples = more reliable results

Study 1 (1997)
71
Study 2 (2009)
0
Study 1 (2000)
0
Study 1 (2011)
264
Study 1 (2004)
0
Study 2 (2005)
0

Research Timeline

When the studies were published

1
1997
1
2000
1
2004
1
2005
1
2009
1
2011

All Studies

Detailed breakdown of each trial. Click to expand.

Women's Health & Menopause

1

To evaluate whether dong quai alone has oestrogenic effects or relieves menopausal symptoms in postmenopausal women.

1997 71 participants 24 weeks Dong quai standardised root extract equivalent
Human Study RCT Double-Blind Placebo Mixed

Study Type

Randomised, double-blind, placebo-controlled

Purpose

To evaluate whether dong quai alone has oestrogenic effects or relieves menopausal symptoms in postmenopausal women.

Dose

Dong quai standardised root extract equivalent

Participants

71 postmenopausal women

Duration

24 weeks

Results

Dong quai used alone did not produce significant oestrogenic effects on endometrial thickness or vaginal maturation and was not significantly more effective than placebo for menopausal symptoms. Combination herbal formulas may be more effective.

How They Measured It

Kuppermann index, endometrial thickness (transvaginal ultrasound), vaginal maturation index, serum FSH, oestradiol

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2

To review the pharmacological profile and clinical evidence for dong quai for menopause and related women's health conditions.

2009 ? participants Various Various
Review/Other Mixed

Study Type

Review

Purpose

To review the pharmacological profile and clinical evidence for dong quai for menopause and related women's health conditions.

Dose

Various

Participants

Review

Duration

Various

Results

Dong quai has extensive traditional use in Chinese medicine for women's health. Limited Western clinical trial evidence. Potential benefits in menstrual irregularity and combination herbal formulas. Caution needed regarding photosensitivity and drug interactions.

How They Measured It

Literature review of clinical and pharmacological studies

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Menstrual Regulation

1

To review herbal medicines of special interest to women including dong quai for PMS, menstrual irregularity and menopausal symptoms.

2000 ? participants Various Various
Review/Other Mixed

Study Type

Review

Purpose

To review herbal medicines of special interest to women including dong quai for PMS, menstrual irregularity and menopausal symptoms.

Dose

Various

Participants

Review

Duration

Various

Results

Dong quai is extensively used in traditional healing for menstrual regulation and dysmenorrhoea. Scientific investigation supports pharmacologically active constituents. Clinical trial evidence remains limited for standalone use.

How They Measured It

Literature review and clinical evidence synthesis

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Anti-inflammatory

1

To investigate the anti-inflammatory activity of Angelica sinensis extract through cytokine modulation.

2011 264 participants N/A Various concentrations of A. sinensis extract
Review/Other Positive

Study Type

In vitro study

Purpose

To investigate the anti-inflammatory activity of Angelica sinensis extract through cytokine modulation.

Dose

Various concentrations of A. sinensis extract

Participants

In vitro (RAW 264.7 macrophages)

Duration

N/A

Results

Angelica sinensis extract significantly inhibited NF-κB activation and reduced production of pro-inflammatory cytokines (TNF-α, IL-1β, IL-6) in LPS-stimulated macrophages.

How They Measured It

LPS-stimulated macrophage model, cytokine production (TNF-α, IL-1β, IL-6), NF-κB activation

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Blood Circulation

1

To evaluate the effect of Angelica sinensis on blood circulation and haematopoietic activity.

2004 ? participants 14 days A. sinensis extract 2–4 g/kg
Review/Other Positive

Study Type

Animal study

Purpose

To evaluate the effect of Angelica sinensis on blood circulation and haematopoietic activity.

Dose

A. sinensis extract 2–4 g/kg

Participants

Anaemic mice and rats

Duration

14 days

Results

A. sinensis significantly improved haemoglobin levels and red blood cell counts in anaemic animals. Platelet aggregation was inhibited and blood viscosity reduced, supporting traditional use for blood-building and circulation.

How They Measured It

Red blood cell count, haemoglobin levels, platelet aggregation, blood viscosity

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2

To evaluate whether dong quai water extract is appropriate for use in women with breast cancer experiencing menopausal symptoms.

2005 ? participants N/A Water extract of A. sinensis various concentrations
Review/Other Mixed

Study Type

Review of breast cancer safety

Purpose

To evaluate whether dong quai water extract is appropriate for use in women with breast cancer experiencing menopausal symptoms.

Dose

Water extract of A. sinensis various concentrations

Participants

In vitro (breast cancer cell lines)

Duration

N/A

Results

A. sinensis water extract stimulated proliferation of oestrogen receptor-positive MCF-7 cells but not ER-negative BT-20 cells. Authors advise caution with dong quai use in hormone receptor-positive breast cancer patients.

How They Measured It

MCF-7 and BT-20 breast cancer cell proliferation assay

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Frequently Asked Questions

Common questions about Dong Quai research

What does the research say about Dong Quai?

There are currently 6 peer-reviewed studies on Dong Quai (Angelica sinensis), involving 335 total participants. Research covers Women's health & menopause, Menstrual regulation, Anti-inflammatory and 1 more areas. The overall evidence strength is rated as Moderate.

How strong is the evidence for Dong Quai?

The evidence is currently rated as "Moderate Evidence". This rating is based on study design quality (randomisation, blinding, placebo controls), sample sizes, study types (1 human study), and reported outcomes.

What health goals has Dong Quai been studied for?

Dong Quai has been researched for: Women's health & menopause, Menstrual regulation, Anti-inflammatory, Blood circulation. Each area has its own body of evidence which you can explore in the study breakdowns above.

Are the studies on Dong Quai based on human trials?

Yes, 1 out of 6 studies are human trials. Human trials carry more weight in our evidence scoring system.