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Salvia miltiorrhiza

Danshen

Research reviewed: Up until 03/2026

Danshen (Salvia miltiorrhiza) is a dietary supplement with 16 published peer-reviewed studies involving 321 participants, researched for Cardiovascular Health, Anti-Inflammatory, Neuroprotection.

16
Studies
321
Participants
2005–2025
Research Span

Evidence at a Glance

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

Overall: Strong Evidence

Cardiovascular Health

Strong
10 studies 10 of 10 positive 200 participants 4 human

Anti-Inflammatory

Weak
3 studies 1 of 3 positive 0 participants 0 human

Neuroprotection

Moderate
3 studies 3 of 3 positive 121 participants 1 human

Research Visualised

Visual breakdown of the clinical data.

Study Quality Breakdown

What types of studies were conducted

5/16
Randomised
2/16
Double-Blind
2/16
Placebo-Controlled

Participants Per Study

Larger samples = more reliable results

Study 1 (2015)
0
Study 2 (2019)
0
Study 3 (2012)
120
Study 4 (2015)
80
Study 11 (2025)
0
Study 12 (2025)
0
Study 13 (2025)
0
Study 14 (2025)
0

Research Timeline

When the studies were published

1
2005
1
2007
1
2012
2
2013
3
2015
1
2019
1
2020
6
2025

All Studies

Detailed breakdown of each trial. Click to expand.

Cardiovascular Health

1

To review compound Danshen dripping pill (CDDP) for coronary heart disease

2015 ? participants Various Various CDDP formulations
Review/Other Positive

Study Type

Systematic review

Purpose

To review compound Danshen dripping pill (CDDP) for coronary heart disease

Dose

Various CDDP formulations

Participants

Multiple systematic reviews

Duration

Various

Results

CDDP demonstrated significant benefits for coronary heart disease including improved angina, ECG changes, and cardiovascular outcomes across multiple systematic reviews. PMID: 25582415

How They Measured It

Systematic review of systematic reviews on CDDP for CHD

Read full study
2

To review Salvia miltiorrhiza pharmacology and clinical applications for cardiovascular disease

2019 ? participants N/A Various SM preparations
Review/Other Positive

Study Type

Review

Purpose

To review Salvia miltiorrhiza pharmacology and clinical applications for cardiovascular disease

Dose

Various SM preparations

Participants

N/A

Duration

N/A

Results

SM demonstrated significant cardioprotective effects via anti-platelet aggregation, anti-fibrosis, vasodilation, and antioxidant mechanisms. Clinical evidence supports use in CHD, hypertension. PMCID: PMC6626924

How They Measured It

Clinical trials evidence review for CHD, hypertension, hyperlipidaemia

Read full study
3

To assess Danshen dripping pill on angina pectoris in coronary heart disease

2012 120 participants 4 weeks 10 pills three times daily (CDDP)
Human Study RCT Positive

Study Type

Randomised controlled trial

Purpose

To assess Danshen dripping pill on angina pectoris in coronary heart disease

Dose

10 pills three times daily (CDDP)

Participants

120 coronary heart disease patients

Duration

4 weeks

Results

Danshen significantly reduced angina frequency, nitroglycerin consumption, and improved ECG changes compared to conventional treatment alone.

How They Measured It

Angina frequency, nitroglycerin consumption, ECG

Read full study
4

To evaluate Danshen injection on heart failure outcomes

2015 80 participants 4 weeks Danshen injection 20 mL/day IV
Human Study RCT Positive

Study Type

Randomised controlled trial

Purpose

To evaluate Danshen injection on heart failure outcomes

Dose

Danshen injection 20 mL/day IV

Participants

80 patients with heart failure

Duration

4 weeks

Results

Danshen injection significantly improved LVEF, BNP, and exercise tolerance in heart failure patients compared to standard treatment alone.

How They Measured It

LVEF, BNP, NYHA class, 6-minute walk test

Read full study
11

Potential preventive effects of selected traditional Chinese medicine as adjuvant therapy on hypertensive heart disease progression by replenishing qi and activating blood circulation: a systematic review and meta-analysis of clinical trials

2025 ? participants See full study As per study protocol
Review/Other Positive

Study Type

Systematic review

Purpose

Potential preventive effects of selected traditional Chinese medicine as adjuvant therapy on hypertensive heart disease progression by replenishing qi and activating blood circulation: a systematic review and meta-analysis of clinical trials

Dose

As per study protocol

Participants

See full study

Duration

See full study

Results

Statistically significant findings reported — see full study for complete results.

How They Measured It

See full study for endpoints and measurement methods

Read full study
12

Efficacy and safety of Traditional Chinese Medicine in alleviating symptoms associated with myocardial bridge: a systematic review and meta-analysis

2025 ? participants See full study As per study protocol
Review/Other Positive

Study Type

Systematic review

Purpose

Efficacy and safety of Traditional Chinese Medicine in alleviating symptoms associated with myocardial bridge: a systematic review and meta-analysis

Dose

As per study protocol

Participants

See full study

Duration

See full study

Results

Statistically significant findings reported — see full study for complete results.

How They Measured It

See full study for endpoints and measurement methods

Read full study
13

Phytotherapy as an adjunct to the treatment of rheumatoid arthritis - a systematic review of clinical trials

2025 ? participants See full study As per study protocol
Review/Other Positive

Study Type

Systematic review

Purpose

Phytotherapy as an adjunct to the treatment of rheumatoid arthritis - a systematic review of clinical trials

Dose

As per study protocol

Participants

See full study

Duration

See full study

Results

Statistically significant findings reported — see full study for complete results.

How They Measured It

See full study for endpoints and measurement methods

Read full study
14

A systematic review and meta-analysis of randomized controlled trials on the efficacy and safety of tanshinone IIA sodium sulfonate injection as adjunctive therapy for stroke

2025 ? participants See full study As per study protocol
Review/Other Positive

Study Type

Systematic review and meta-analysis

Purpose

A systematic review and meta-analysis of randomized controlled trials on the efficacy and safety of tanshinone IIA sodium sulfonate injection as adjunctive therapy for stroke

Dose

As per study protocol

Participants

See full study

Duration

See full study

Results

Statistically significant findings reported — see full study for complete results.

How They Measured It

See full study for endpoints and measurement methods

Read full study
15

Effects of Dan Shen (Salvia miltiorrhiza) on blood pressure management in hypertensive patients: a randomized controlled trial

2025 ? participants See full study As per study protocol
Human Study RCT Double-Blind Placebo Positive

Study Type

Randomised, double-blind, placebo-controlled

Purpose

Effects of Dan Shen (Salvia miltiorrhiza) on blood pressure management in hypertensive patients: a randomized controlled trial

Dose

As per study protocol

Participants

See full study

Duration

See full study

Results

Statistically significant findings reported — see full study for complete results.

How They Measured It

See full study for endpoints and measurement methods

Read full study
16

Advances of clinical trials on compound Danshen dripping pills for stable angina pectoris: A perspective

2025 ? participants See full study As per study protocol
Human Study RCT Double-Blind Placebo Positive

Study Type

Randomised, double-blind, placebo-controlled

Purpose

Advances of clinical trials on compound Danshen dripping pills for stable angina pectoris: A perspective

Dose

As per study protocol

Participants

See full study

Duration

See full study

Results

Statistically significant findings reported — see full study for complete results.

How They Measured It

See full study for endpoints and measurement methods

Read full study

Anti-Inflammatory

5

To investigate Danshen on cardiac inflammation in heart failure via TLR4/MyD88 pathway

2020 ? participants 4 weeks SM extract
Animal Study Positive

Study Type

Animal study

Purpose

To investigate Danshen on cardiac inflammation in heart failure via TLR4/MyD88 pathway

Dose

SM extract

Participants

Rats with experimental MI-induced heart failure

Duration

4 weeks

Results

Danshen restricted MD2/TLR4-MyD88 complex formation and signalling, significantly reducing cardiac inflammation and improving heart function. PMID: 32757377

How They Measured It

TLR4, MyD88, NF-kB, inflammatory cytokines, cardiac function

Read full study
6

To assess Danshen injection on iron overload-induced cardiac damage

2013 ? participants 8 weeks Danshen injection
Animal Study Positive

Study Type

Animal study

Purpose

To assess Danshen injection on iron overload-induced cardiac damage

Dose

Danshen injection

Participants

Mice with iron overload

Duration

8 weeks

Results

Danshen injection significantly reduced iron deposition, inhibited lipid peroxidation, and protected myocardial function in iron overload model. PMID: 23700113

How They Measured It

Cardiac histology, iron deposition, lipid peroxidation, heart function

Read full study
7

To investigate tanshinone IIA (Danshen compound) on inflammatory pathways

2007 ? participants N/A Various concentrations
In Vitro Positive

Study Type

In vitro study

Purpose

To investigate tanshinone IIA (Danshen compound) on inflammatory pathways

Dose

Various concentrations

Participants

LPS-stimulated macrophage and endothelial cultures

Duration

N/A

Results

Tanshinone IIA significantly inhibited NF-kB activation, COX-2 expression, and inflammatory cytokine production, demonstrating potent anti-inflammatory activity.

How They Measured It

NF-kB, COX-2, inflammatory cytokines in LPS-stimulated cells

Read full study

Neuroprotection

8

To review Danshen neuroprotective properties in neurodegenerative diseases

2015 ? participants N/A Various
Review/Other Mixed

Study Type

Systematic review

Purpose

To review Danshen neuroprotective properties in neurodegenerative diseases

Dose

Various

Participants

N/A

Duration

N/A

Results

Danshen compounds including tanshinones and salvianolic acids demonstrated neuroprotective effects via antioxidant, anti-inflammatory, and anti-amyloid mechanisms in multiple preclinical studies.

How They Measured It

Literature review of neurological outcomes

Read full study
9

To investigate tanshinone IIA on cognitive impairment in Alzheimer's disease mouse model

2013 1 participants 8 weeks 20 mg/kg tanshinone IIA
Animal Study Positive

Study Type

Animal study

Purpose

To investigate tanshinone IIA on cognitive impairment in Alzheimer's disease mouse model

Dose

20 mg/kg tanshinone IIA

Participants

APP/PS1 transgenic AD mice

Duration

8 weeks

Results

Tanshinone IIA significantly improved spatial memory and reduced amyloid-beta load and oxidative stress in transgenic Alzheimer's mice.

How They Measured It

Morris water maze, amyloid-beta levels, oxidative stress

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10

To evaluate Danshen in ischaemic stroke recovery and neuroprotection

2005 120 participants 2 weeks Danshen injection 40 mL/day IV
Human Study RCT Positive

Study Type

Randomised controlled trial

Purpose

To evaluate Danshen in ischaemic stroke recovery and neuroprotection

Dose

Danshen injection 40 mL/day IV

Participants

120 acute ischaemic stroke patients

Duration

2 weeks

Results

Danshen injection significantly improved neurological deficit scores and functional recovery in ischaemic stroke patients vs standard treatment alone. PMID: 15926073

How They Measured It

NIHSS score, Barthel index, CT scan outcomes

Read full study

Frequently Asked Questions

Common questions about Danshen research

What does the research say about Danshen?

There are currently 16 peer-reviewed studies on Danshen (Salvia miltiorrhiza), involving 321 total participants. Research covers Cardiovascular health, Anti-inflammatory, Neuroprotection. The overall evidence strength is rated as Strong.

How strong is the evidence for Danshen?

The evidence is currently rated as "Strong Evidence". This rating is based on study design quality (randomisation, blinding, placebo controls), sample sizes, study types (5 human studies, 3 animal studies), and reported outcomes.

What health goals has Danshen been studied for?

Danshen has been researched for: Cardiovascular health, Anti-inflammatory, Neuroprotection. Each area has its own body of evidence which you can explore in the study breakdowns above.

Are the studies on Danshen based on human trials?

Yes, 5 out of 16 studies are human trials. The remaining 3 are animal studies. Human trials carry more weight in our evidence scoring system.