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Trigonella foenum-graecum

Fenugreek

Research reviewed: Up until 03/2026

Fenugreek (Trigonella foenum-graecum) is a dietary supplement with 11 published peer-reviewed studies involving 780 participants, researched for Blood Sugar Control, Testosterone Support, Lipid Management.

11
Studies
780
Participants
1990–2025
Research Span

Evidence at a Glance

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

Overall: Very Strong Evidence

Blood Sugar Control

Strong
4 studies 4 of 4 positive 101 participants

Testosterone Support

Strong
3 studies 2 of 3 positive 120 participants

Lipid Management

Moderate
4 studies 2 of 4 positive 100 participants 3 human

Research Visualised

Visual breakdown of the clinical data.

Study Quality Breakdown

What types of studies were conducted

7/11
Randomised
1/11
Double-Blind
1/11
Placebo-Controlled

Participants Per Study

Larger samples = more reliable results

Study 1 (2014)
6
Study 2 (1990)
25
Study 3 (1990)
10
Study 4 (2011)
60
Study 5 (2024)
80
Study 6 (2020)
0
Study 7 (2018)
40
Study 8 (2003)
60

Research Timeline

When the studies were published

2
1990
1
2003
1
2006
1
2011
1
2014
1
2018
1
2019
1
2020
1
2024
1
2025

All Studies

Detailed breakdown of each trial. Click to expand.

Blood Sugar Control

1

To meta-analyze fenugreek effects on glycaemia in clinical trials

2014 6 participants Various Various
Human Study Positive

Study Type

Meta-analysis of RCTs

Purpose

To meta-analyze fenugreek effects on glycaemia in clinical trials

Dose

Various

Participants

Multiple RCTs (6 trials pooled)

Duration

Various

Results

Clinical trials support beneficial effects of fenugreek seeds on glycaemic control in persons with diabetes. Significant reduction in fasting glucose and HbA1c. PMID: 24438170

How They Measured It

Fasting blood glucose, HbA1c, postprandial glucose

Read full study
2

To evaluate fenugreek seeds on blood glucose in type 2 diabetes

1990 25 participants 8 weeks 10 g/day defatted fenugreek seed powder
Human Study RCT Positive

Study Type

Randomised controlled trial

Purpose

To evaluate fenugreek seeds on blood glucose in type 2 diabetes

Dose

10 g/day defatted fenugreek seed powder

Participants

25 type 2 diabetic patients

Duration

8 weeks

Results

Fenugreek significantly reduced fasting blood glucose by 15% and HbA1c and improved overall glycaemic control in type 2 diabetes. PMID: 2194788

How They Measured It

Fasting blood glucose, HbA1c, insulin sensitivity

Read full study
3

To assess fenugreek on glycaemic control in type 1 diabetes

1990 10 participants 10 days 100 g/day seed powder
Human Study RCT Positive

Study Type

Randomised controlled trial

Purpose

To assess fenugreek on glycaemic control in type 1 diabetes

Dose

100 g/day seed powder

Participants

10 insulin-dependent diabetic patients

Duration

10 days

Results

Fenugreek significantly reduced fasting blood glucose by 30%, urinary glucose by 54%, and improved glucose tolerance in type 1 diabetes. PMID: 2196868

How They Measured It

Fasting and postprandial glucose, 24-hour urinary glucose, insulin requirements

Read full study
4

To evaluate fenugreek on insulin sensitivity and postprandial glucose

2011 60 participants 3 months 15 g seed powder with meals
Human Study RCT Positive

Study Type

Randomised controlled trial

Purpose

To evaluate fenugreek on insulin sensitivity and postprandial glucose

Dose

15 g seed powder with meals

Participants

60 patients with metabolic syndrome

Duration

3 months

Results

Fenugreek significantly improved insulin sensitivity and reduced postprandial glucose peaks. Lipid profile improvements also observed.

How They Measured It

OGTT, insulin sensitivity index, lipids

Read full study

Testosterone Support

5

To assess fenugreek extract on testosterone and libido in ageing men

2024 80 participants 12 weeks TrigozimR extract
Human Study RCT Double-Blind Placebo Positive

Study Type

Randomised double-blind placebo-controlled

Purpose

To assess fenugreek extract on testosterone and libido in ageing men

Dose

TrigozimR extract

Participants

80 aging men with low testosterone

Duration

12 weeks

Results

Fenugreek extract significantly increased plasma and salivary testosterone and improved libido and sexual function compared to placebo. PMCID: PMC11407615

How They Measured It

Serum testosterone, salivary testosterone, sexual function, libido

Read full study
6

To meta-analyze fenugreek extract effects on testosterone in males

2020 ? participants Various Various
Human Study Positive

Study Type

Meta-analysis

Purpose

To meta-analyze fenugreek extract effects on testosterone in males

Dose

Various

Participants

Multiple RCTs

Duration

Various

Results

Fenugreek extract demonstrated significant androgenic and anabolic effects, significantly increasing total testosterone in meta-analysis. PMID: 32048383

How They Measured It

Total testosterone, free testosterone, pooled analysis

Read full study
7

To evaluate mixed fenugreek extract on testosterone deficiency syndrome

2018 40 participants 12 weeks Trigonella + Lespedeza mixed extract
Human Study RCT Positive

Study Type

Randomised controlled trial

Purpose

To evaluate mixed fenugreek extract on testosterone deficiency syndrome

Dose

Trigonella + Lespedeza mixed extract

Participants

40 men with testosterone deficiency syndrome

Duration

12 weeks

Results

Mixed extract including fenugreek significantly improved testosterone levels, androgen deficiency symptoms, and sexual function. PMCID: PMC6119847

How They Measured It

Total testosterone, androgen deficiency symptoms, ADAM questionnaire

Read full study

Lipid Management

8

To assess fenugreek seeds on lipid profile in hyperlipidaemia

2003 60 participants 8 weeks 25 g/day seed powder
Human Study RCT Positive

Study Type

Randomised controlled trial

Purpose

To assess fenugreek seeds on lipid profile in hyperlipidaemia

Dose

25 g/day seed powder

Participants

60 hyperlipidaemic patients

Duration

8 weeks

Results

Fenugreek significantly reduced total cholesterol (14%), LDL-C (16%), and triglycerides while maintaining HDL-C in hyperlipidaemic patients.

How They Measured It

Total cholesterol, LDL-C, HDL-C, triglycerides

Read full study
9

To assess fenugreek on lipids and body composition in overweight adults

2019 40 participants 12 weeks 500 mg/day fenugreek extract
Human Study RCT Positive

Study Type

Randomised controlled trial

Purpose

To assess fenugreek on lipids and body composition in overweight adults

Dose

500 mg/day fenugreek extract

Participants

40 overweight adults

Duration

12 weeks

Results

Fenugreek supplementation significantly reduced BMI, waist circumference, and triglycerides in overweight adults.

How They Measured It

BMI, waist circumference, lipids

Read full study
10

To investigate fenugreek mechanisms on cholesterol metabolism

2006 ? participants 4 weeks 5% dietary fenugreek seeds
Animal Study Positive

Study Type

Animal study

Purpose

To investigate fenugreek mechanisms on cholesterol metabolism

Dose

5% dietary fenugreek seeds

Participants

Rats

Duration

4 weeks

Results

Fenugreek significantly inhibited HMG-CoA reductase and increased bile acid excretion, explaining cholesterol-lowering effect. Saponin fraction confirmed as active component.

How They Measured It

Hepatic cholesterol synthesis enzymes, bile acid excretion

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11

To review fenugreek as natural therapeutic agent in T2DM, PCOS, and testosterone deficiency

2025 ? participants Various Various
Human Study Mixed

Study Type

Review

Purpose

To review fenugreek as natural therapeutic agent in T2DM, PCOS, and testosterone deficiency

Dose

Various

Participants

Multiple clinical studies reviewed

Duration

Various

Results

Fenugreek demonstrated consistent efficacy across three therapeutic domains: glucose metabolism modulation, lipid improvement, and androgenic hormone support. Mechanism through 4-hydroxyisoleucine and saponins. PMID: 39668050

How They Measured It

Consolidated clinical review

Read full study

Frequently Asked Questions

Common questions about Fenugreek research

What does the research say about Fenugreek?

There are currently 11 peer-reviewed studies on Fenugreek (Trigonella foenum-graecum), involving 780 total participants. Research covers Blood sugar control, Testosterone support, Lipid management. The overall evidence strength is rated as Very Strong.

How strong is the evidence for Fenugreek?

The evidence is currently rated as "Very Strong Evidence". This rating is based on study design quality (randomisation, blinding, placebo controls), sample sizes, study types (10 human studies, 1 animal study), and reported outcomes.

What health goals has Fenugreek been studied for?

Fenugreek has been researched for: Blood sugar control, Testosterone support, Lipid management. Each area has its own body of evidence which you can explore in the study breakdowns above.

Are the studies on Fenugreek based on human trials?

Yes, 10 out of 11 studies are human trials. The remaining 1 is an animal study. Human trials carry more weight in our evidence scoring system.