Fenugreek (Trigonella Foenum-Graecum)

We evaluated 138 human studies on Fenugreek (Trigonella foenum-graecum), including 64 randomised controlled trials and 30 meta-analyses or systematic reviews; the controlled studies include 3,978 participants in total. As of 11 October 2026.

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1. What Is Fenugreek (Trigonella Foenum-Graecum)? Occurrence, Origin and Forms

Fenugreek is an annual legume in the Fabaceae family whose dried seeds are used as a spice and in the traditional medicine of the Mediterranean, Western Asia and South Asia. The seeds taste strong and slightly bitter and have long been part of cooking and home remedies there. Common modern forms are ground seeds, infusions and preserved seed extracts.

Fenugreek grows in warm, dry climates and is cultivated in southern Europe, North Africa, Western Asia and South Asia. It is examined almost exclusively through the seed and the preparations made from it.

Dried seeds are ground, steeped in hot water or extracted with water or alcohol, and part of the seed fibre is separated as galactomannan. Studies have examined whole and ground seeds, infusions, seed extracts and the fibre obtained from the seed.

Forms and Preparations Studied

• Whole dried seeds
• Ground seeds (seed flour)
• Seed infusion or tea
• Seed extract, aqueous or alcoholic
• Fibre obtained from the seed (galactomannan)
• Sprouted seeds

Not covered on this page:

• Blue fenugreek (Trigonella caerulea), a different species
• Guar gum and locust bean gum as other sources of galactomannan
• Combination products with several herbs or other ingredients
• Single isolated seed constituents supplied as a pure substance

2. What Does Fenugreek (Trigonella Foenum-Graecum) Do? Results by Area

How to read the table: counted are human studies whose results concern the area. “High” means at least one meta-analysis and two controlled studies showing improvement, or at least three controlled studies of which three quarters show improvement, with at least 300 participants in total. “Moderate” means at least two controlled studies showing improvement, as a majority, or one meta-analysis alongside controlled studies. “Low” means one controlled study showing improvement. Where an area has no controlled study, the strength of evidence is at most “low” (result “reviews only” or “observational data only”). Everything else is “unclear”. A study counts as showing improvement when at least half of its outcomes in this area improved. Reviews of combination products do not count as meta-analyses; results that only describe side effects or shares of users do not count as an effect. The same study is counted only once.

3. What the Studies Show in Detail

Fenugreek (Trigonella Foenum-Graecum), Blood Glucose and Sugar Metabolism: Human Studies

Meta-analyses of controlled studies, predominantly in type 2 diabetes or prediabetes, found lower fasting blood glucose 31214151819 and lower HbA1c 2312141518 than with control. One of these meta-analyses found no significant difference in fasting blood glucose 2. In a randomized three-year study in prediabetes, fewer people developed type 2 diabetes with ground fenugreek than in the control group 85. Post-meal blood glucose was also lower than with control in several meta-analyses 31214152627. Against metformin, fenugreek in PCOS lowered blood glucose and insulin resistance less strongly, but improved blood lipids more strongly 81. Mainly ground seeds, seed extracts and individual standardized extracts such as Furocyst, Fenfuro and Fenuflakes were studied.

Further studies in this area: 17 18 19 20 21 22 23 25 26 27 29 30 31 32 34 49 55 59 61 62 63 69 71 72 74 75 76 78 80 81 82 85 88 93 94 95 96 100 104 106 107 109 110 111 112 114 117 118 121 123 124 126

Fenugreek (Trigonella Foenum-Graecum) and Blood Lipids: Human Studies

Several meta-analyses found lower triglycerides 34719 and higher HDL cholesterol 3471819 than with control, as did one randomized study for triglycerides 62 and one for HDL cholesterol 61. Total and LDL cholesterol fell in two meta-analyses 47; others found no significant difference in LDL cholesterol 326 or in triglycerides 1826. Predominantly seed extracts were studied, along with ground seeds and, in individual works, unspecified seed forms. The strength of evidence is high, but many studies are small and short, and the seed form along with amount and standardized fraction remains unclear in several works.

Further studies in this area: 25 26 31 32 41 51 61 62 64 71 76 81 85 89 95 96 97 99 106 109 118

Fenugreek (Trigonella Foenum-Graecum), Hormones and Testosterone: Human Studies

In men, meta-analyses found a small increase in total testosterone 524; a more recent review rates the evidence as very uncertain and saw no stable effect on free testosterone 8. Under strength training, testosterone rose in two placebo-controlled studies with extracts 5768, while in older men with prostate complaints it remained unchanged 38. In women during and after menopause, estradiol rose compared with placebo in two controlled studies 4165, but not in a third 36. In younger women with low sexual desire, estradiol and free testosterone rose 43. Mixed preparations of fenugreek with shatavari 35, with Lespedeza cuneata 84, with minerals such as Testofen 58 or with added nutrients 40 show only what the respective mixture does. The findings come predominantly from seed extracts, partly standardized, partly hydroalcoholic; for ground seeds, infusion or germinated seeds, no controlled results are available in this area. The populations and endpoints are very different, and several studies were small or of short duration.

Further studies in this area: 47 57 65 68 74 95 96 97 98 104 108

Fenugreek (Trigonella Foenum-Graecum), Appetite and Satiety: Human Studies

In two placebo-controlled studies with healthy men, a seed extract reduced spontaneous fat consumption, in one of them only at the higher dose 6977. Isolated fenugreek fiber at breakfast increased satiety, but energy intake at the lunch buffet did not differ significantly from control 75. Total energy intake also did not differ significantly with seed extract 77. In a small crossover study with nine women, fenugreek tea reduced hunger and increased satiety compared with placebo tea, without changing food intake at the lunch buffet 79. The findings come from small, short investigations with seed extract, isolated fiber and tea, and the strength of evidence is moderate.

Fenugreek (Trigonella Foenum-Graecum), Breastfeeding and Milk Production: Human Studies

Among mothers of preterm infants, milk volume was higher with fenugreek capsules than with placebo on the seventh day, but no longer significant on the fifteenth day; prolactin and the weight of the newborns did not differ 47. An herbal nursing tea with fenugreek increased milk volume on the third day after birth compared with placebo 48. In a randomized study, mothers drank black tea with or without fenugreek seed 45. With fenugreek, infant weight, head circumference, wet diapers and stools increased compared with baseline, but not in the comparison group 45. Given alone, fenugreek did not improve breastfeeding success in a randomized study; only together with honey did it increase 46. The evidence is weak; the studies tested different preparations such as capsules, tea and drops and sometimes mixtures, so the findings cannot readily be transferred to the seed alone.

Fenugreek (Trigonella Foenum-Graecum): Further Outcomes in Studies

In three placebo-controlled studies, extracts from seeds or seed husk alleviated menopausal symptoms such as hot flashes 364165. In first-time mothers after birth, a seed extract improved self-reported sleep quality compared with placebo 50. In menstrual pain, seed powder alleviated pain intensity more than placebo 86; against the painkiller mefenamic acid, it acted similarly 56. With seed extract, muscle strength rose more than with placebo in several controlled studies 60646883; with training, body fat percentage also fell 576483. One meta-analysis found lower systolic blood pressure 19, a placebo-controlled study in type 2 diabetes only lower diastolic 49. Two further studies showed reductions only compared with baseline 4263. A nursing tea of fenugreek, bitter fennel, anise, coriander and other herbs showed no difference compared with placebo in quality of life and breastfeeding self-efficacy 54. A fiber mixture of fenugreek, guar gum and wheat bran lowered BMI and waist circumference only compared with baseline 37. The strength of evidence is high, but many studies are small and short, and the forms studied and standardized fractions are often not precisely stated.

Further studies in this area: 16 18 19 25 28 31 32 34 36 38 41 42 43 44 47 49 50 52 53 56 57 59 60 61 62 63 64 65 66 67 68 69 70 73 81 83 86 87 90 91 92 95 96 97 98 101 102 103 110 113 115 116 118 120 125

4. How Is Fenugreek (Trigonella Foenum-Graecum) Dosed? Preparation, Dose and Duration in Studies

The studies predominantly used seed extracts, some standardized to furostanol saponins such as Furocyst, Fenfuro or Fenuflakes, as well as ground seeds, infusions and, in individual papers, isolated galactomannan fiber. For whole and germinated seeds, hardly any controlled results are available in the areas evaluated. The doses and treatment durations are shown in the table.

5. Is Fenugreek (Trigonella Foenum-Graecum) Safe? Side Effects in Studies

The controlled studies with fenugreek alone report good tolerability without serious side effects 33134384147515657. Mild gastrointestinal complaints are mentioned most frequently 31026. Possible hypoglycemia, hypokalemia, allergic reactions and drug interactions are mentioned occasionally 10; details are shown in the table.

6. What Remains Open: Limits of the Evidence

• Many studies are small and of short duration, which limits the informative value despite high certainty of evidence in individual areas.
• The seed form together with the amount and standardized proportion remains unclear in several papers, so that findings cannot always be assigned to a preparation.
• For ground seeds, infusion and germinated seeds, no controlled results are available in several areas.
• True combination products such as breastfeeding teas with fennel and anise or a fiber mixture with guar gum and wheat bran do not allow any conclusion about the seed alone 3754.
• The populations and endpoints studied are very different, which makes comparison between the studies difficult.

7. Bottom Line: What Is Established About Fenugreek (Trigonella Foenum-Graecum)

Fenugreek seed extracts and ground seeds showed favorable effects on blood sugar and blood lipids in several controlled studies and meta-analyses; for testosterone in men, the increases are small and still uncertain. Placebo-controlled studies also found initially more breast milk, fewer menopausal symptoms and menstrual pain, as well as less body fat and more muscle strength with training. The certainty of evidence is high in several areas, but many studies are small and short, and the seed form studied together with the amount and standardized proportion often remains unclear. Next to be clarified are larger, longer studies with precisely described preparation; findings on combination products apply only to the respective mixture.