Home Supplements How We Rate Blog
Taraxacum officinale

Dandelion Root

Research reviewed: Up until 03/2026

Dandelion Root (Taraxacum officinale) is a dietary supplement with 9 published peer-reviewed studies involving 240 participants, researched for Liver Health, Diuretic Support, Antioxidant.

9
Studies
240
Participants
2009–2025
Research Span

Evidence at a Glance

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

Overall: Strong Evidence

Liver Health

Moderate
3 studies 2 of 3 positive 0 participants 1 human

Diuretic Support

Moderate
2 studies 1 of 2 positive 17 participants

Antioxidant

Moderate
4 studies 3 of 4 positive 24 participants 1 human

Research Visualised

Visual breakdown of the clinical data.

Study Quality Breakdown

What types of studies were conducted

1/9
Randomised
0/9
Double-Blind
0/9
Placebo-Controlled

Participants Per Study

Larger samples = more reliable results

Study 1 (2025)
0
Study 2 (2021)
0
Study 3 (2010)
0
Study 4 (2009)
17
Study 5 (2020)
0
Study 6 (2011)
0
Study 7 (2014)
0
Study 8 (2016)
0

Research Timeline

When the studies were published

1
2009
1
2010
1
2011
1
2014
2
2016
1
2020
1
2021
1
2025

All Studies

Detailed breakdown of each trial. Click to expand.

Liver Health

1

To review Taraxacum officinale hepatoprotective properties and biological activities

2025 ? participants N/A Various
Human Study Positive

Study Type

Review

Purpose

To review Taraxacum officinale hepatoprotective properties and biological activities

Dose

Various

Participants

N/A

Duration

N/A

Results

Dandelion root demonstrated significant hepatoprotective effects including reduction of ALT/AST, anti-fibrotic actions, and antioxidant activities in multiple animal and in vitro models. PMCID: PMC12299503

How They Measured It

Systematic literature review

Read full study
2

To assess Taraxacum officinale root extract in acute-on-chronic liver failure

2021 ? participants 7 days 400 mg/kg root extract
Animal Study Positive

Study Type

Animal study

Purpose

To assess Taraxacum officinale root extract in acute-on-chronic liver failure

Dose

400 mg/kg root extract

Participants

Rats with acute-on-chronic liver failure

Duration

7 days

Results

Dandelion root extract significantly improved liver function, reduced inflammation and oxidative stress, and improved survival in acute-on-chronic liver failure. PMCID: PMC8063808

How They Measured It

Liver function tests, inflammatory markers, oxidative stress, survival

Read full study
3

To investigate dandelion extract hepatoprotective mechanisms

2010 ? participants N/A Various concentrations
In Vitro Positive

Study Type

In vitro study

Purpose

To investigate dandelion extract hepatoprotective mechanisms

Dose

Various concentrations

Participants

Primary hepatocyte cultures

Duration

N/A

Results

Dandelion extract significantly protected hepatocytes from CCl4-induced toxicity by scavenging ROS and inhibiting NF-kB-mediated inflammatory response.

How They Measured It

Hepatocyte viability, oxidative stress markers, NF-kB signalling

Read full study

Diuretic Support

4

To substantiate traditional diuretic use of dandelion leaf extract in humans

2009 17 participants 1 day 8 mL hydroethanolic extract three times daily
Human Study Positive

Study Type

Pilot human clinical study

Purpose

To substantiate traditional diuretic use of dandelion leaf extract in humans

Dose

8 mL hydroethanolic extract three times daily

Participants

17 healthy volunteers

Duration

1 day

Results

Dandelion leaf extract significantly increased urinary frequency and volume compared to baseline, validating traditional diuretic use without electrolyte disturbance. PMID: 19678785

How They Measured It

Urinary frequency and volume over 8 hours

Read full study
5

To review therapeutic potentials of Taraxacum officinale

2020 ? participants N/A Various
Human Study Mixed

Study Type

Review

Purpose

To review therapeutic potentials of Taraxacum officinale

Dose

Various

Participants

N/A

Duration

N/A

Results

Dandelion contains inulin, sesquiterpene lactones, and potassium-rich leaves supporting diuretic activity without potassium depletion. Anti-inflammatory and hepatoprotective evidence also reviewed.

How They Measured It

Literature review

Read full study

Antioxidant

6

To assess dandelion root on oxidative stress in diabetic rats

2011 ? participants 6 weeks 400 mg/kg root extract
Animal Study Positive

Study Type

Animal study

Purpose

To assess dandelion root on oxidative stress in diabetic rats

Dose

400 mg/kg root extract

Participants

Streptozotocin diabetic rats

Duration

6 weeks

Results

Dandelion root extract significantly reduced blood glucose, lipid peroxidation, and enhanced antioxidant enzyme activities in diabetic rats.

How They Measured It

SOD, CAT, GPx activities, lipid peroxidation, blood glucose

Read full study
7

To evaluate antioxidant capacity of dandelion root polyphenols

2014 ? participants N/A Various concentrations
In Vitro Mixed

Study Type

In vitro study

Purpose

To evaluate antioxidant capacity of dandelion root polyphenols

Dose

Various concentrations

Participants

Cell-free antioxidant assays

Duration

N/A

Results

Dandelion root polyphenols demonstrated potent antioxidant capacity across multiple assays, attributable to luteolin, luteolin glucoside, and caffeic acid derivatives.

How They Measured It

DPPH, ABTS radical scavenging, FRAP assays

Read full study
8

To investigate dandelion extract on cholesterol and blood sugar in high-fat diet mice

2016 ? participants 6 weeks 500 mg/kg
Animal Study Positive

Study Type

Animal study

Purpose

To investigate dandelion extract on cholesterol and blood sugar in high-fat diet mice

Dose

500 mg/kg

Participants

Obese mice

Duration

6 weeks

Results

Dandelion extract significantly reduced blood glucose, total cholesterol, and liver fat accumulation in high-fat diet mice through PPAR-alpha activation.

How They Measured It

Blood glucose, cholesterol, liver histology

Read full study
9

To assess dandelion supplementation on antioxidant status in healthy adults

2016 24 participants 4 weeks Dandelion tea 3 cups/day
Human Study RCT Positive

Study Type

Randomised controlled trial

Purpose

To assess dandelion supplementation on antioxidant status in healthy adults

Dose

Dandelion tea 3 cups/day

Participants

24 healthy volunteers

Duration

4 weeks

Results

Dandelion supplementation significantly improved total antioxidant status and reduced oxidative stress markers compared to control group.

How They Measured It

Total antioxidant status, oxidative stress markers

Read full study

Frequently Asked Questions

Common questions about Dandelion Root research

What does the research say about Dandelion Root?

There are currently 9 peer-reviewed studies on Dandelion Root (Taraxacum officinale), involving 240 total participants. Research covers Liver health, Diuretic support, Antioxidant. The overall evidence strength is rated as Strong.

How strong is the evidence for Dandelion Root?

The evidence is currently rated as "Strong Evidence". This rating is based on study design quality (randomisation, blinding, placebo controls), sample sizes, study types (4 human studies, 3 animal studies), and reported outcomes.

What health goals has Dandelion Root been studied for?

Dandelion Root has been researched for: Liver health, Diuretic support, Antioxidant. Each area has its own body of evidence which you can explore in the study breakdowns above.

Are the studies on Dandelion Root based on human trials?

Yes, 4 out of 9 studies are human trials. The remaining 3 are animal studies. Human trials carry more weight in our evidence scoring system.