Fenugreek

Traditional metabolic herb that supports blood sugar control, testosterone levels, breast milk production, and digestive health

Scientific nameTrigonella foenum-graecum FormulaComplex saponins and galactomannans Molecular weightVariable bioactive compounds g/mol CASVarious natural compounds

75 absorption score

7 safety / 10

20 USD per month

5 documented interactions

Check it against something

Evidence level B

Fenugreek with:

78 out of 100

Works better together Compatible. Timing differs, so follow each supplement's own window.

Check it against your whole stack →

What it does

mechanism and evidence for each claim

Blood sugar regulation and diabetes support

Helps maintain healthy blood glucose levels and insulin sensitivity

Soluble fiber and compounds slow glucose absorption and improve insulin function Evidence B-grade 4-8 weeks

Testosterone support in men

May help maintain healthy testosterone levels

Saponins may influence steroid hormone production and binding proteins Evidence B-grade 6-12 weeks

Lactation and breast milk production

Supports breast milk production in nursing mothers

Galactagogue effects stimulate prolactin and milk production Evidence B-grade 1-3 weeks

Cholesterol and heart health

May help reduce cholesterol levels and support heart health

Soluble fiber binds cholesterol and saponins affect lipid metabolism Evidence C-grade 6-12 weeks

Digestive health and appetite support

Supports digestive function and may increase appetite

Mucilage soothes digestive tract and compounds stimulate appetite Evidence C-grade 2-4 weeks

Others take these for the same thing

Same goal, different mechanism — check any of them against this one

Melatonin Sleep support & circadian rhythm 0.5-3mg A 50% Ashwagandha Stress management & energy 300-600mg A 75% Vitamin B12 (Cyanocobalamin) Energy & nerve support 250-1000 mcg A 70% Coenzyme Q10 (CoQ10) Heart health & cellular energy 100-200mg A 10% Phosphorus Bone health & energy metabolism 700-1250mg A 80% Vitamin B3 (Niacinamide) Energy & skin health (no flush) 100-1000 mg A 88%

Every pair we checked

12 combinations scored by the engine

Fenugreek + Caffeine No documented interaction either way No known interaction 70

Fenugreek + Creatine Monohydrate No documented interaction either way No known interaction 70

Fenugreek + Calcium Carbonate No documented interaction either way No known interaction 70

Fenugreek + Whey Protein No documented interaction either way No known interaction 70

Fenugreek + Lactase No documented interaction either way No known interaction 70

Fenugreek + Bovine Collagen No documented interaction either way No known interaction 70

Fenugreek + DHA No documented interaction either way No known interaction 70

Fenugreek + Turmeric No documented interaction either way No known interaction 70

Fenugreek + Fish Oil (EPA/DHA) No documented interaction either way No known interaction 70

Fenugreek + Magnesium Oxide No documented interaction either way No known interaction 70

Fenugreek + Vitamin D3 Enhanced testosterone and hormone support Works better together 75

Fenugreek + Chromium GTF Enhanced blood sugar control and insulin sensitivity Works better together 78

Dosage

With meals

Daily500-1000mg

Blood sugar support500-1000mg daily

Testosterone support500mg daily

Lactation support500-1000mg daily

Cholesterol support500-1000mg daily

Before you take it

VeganYes

When to expect it

First Effects1-3 weeks for lactation, 4-6 weeks for metabolic benefits

Peak Benefits8-12 weeks for sustained blood sugar and hormone benefits

Deficiency DevelopmentReturn to baseline metabolic and hormone function

Toxicity OnsetRare, mainly with extremely high doses

How to measure it

$100-200

MarkerBlood glucose, HbA1c, testosterone, or cholesterol levels

OptimalImproved glucose control and balanced hormone levels

Deficient belowNot applicable for supplement

FrequencyMonitor blood glucose regularly if diabetic, hormones every 6 months

What people actually reported to the FDA

CAERS, 28 reports naming it as the suspect

Most reported effects

Hypersensitivity 5

Urticaria 5

Haematochezia 4

Abdominal pain 4

Throat tightness 3

Named as the suspect 28 reports of 43 that mention it at all

Serious outcome 81% hospitalisation, emergency room or worse

Other Serious or Important Medical Event18

Hospitalization11

Visited a Health Care Provider7

Reports are voluntary and unverified — they record what someone experienced while taking something, not what the compound caused. Counts skew towards products people take a lot of, and a serious outcome is more likely to be reported than a mild one, so these are not rates. How we filter them →

What actually reaches you

The label counts the carrier, your body does not

Absorption High 75 of 100 · absorbs well relative to other forms

Delivered daily 562.5 mg

Cost per 100 mg delivered $0.12 comparative — uses the absorption score, not a measured percentage

Works better with

3 documented

Chromium

Enhanced blood sugar control and insulin sensitivity

Both support glucose metabolism through different pathways · level B

Cinnamon

Enhanced glucose control and insulin sensitivity

Both improve glucose metabolism and insulin function · level B

Vitamin D

Enhanced testosterone and hormone support

Both support healthy hormone production · level C

What not to take with Fenugreek

2 documented

High Sugar Diet

High sugar intake may overwhelm glucose benefits

Excess glucose reduces effectiveness of blood sugar control · moderate significance

Estrogen Medications

May interfere with estrogen-based medications

Possible hormonal interactions · minor significance

Medication interactions

Discuss these with a pharmacist before combining

diabetes-medications Moderate

May enhance blood sugar lowering effects

What to do: Monitor blood glucose closely

blood-thinners Minor

May have mild anticoagulant effects

What to do: Monitor bleeding parameters

thyroid-medications Minor

May affect thyroid hormone absorption

What to do: Take separately from thyroid medications

Available forms

bioavailability compared

Standardized Fenugreek Extract (50% saponins) 80

Whole Seed Extract 70

Ground Fenugreek Seeds 60

Fenugreek Powder 65

Standardized Fenugreek Extract (50% saponins): Standardized potency, Higher concentration, Research backed, Consistent effects

Whole Seed Extract: Complete spectrum, Traditional form, Multiple compounds, More affordable

Ground Fenugreek Seeds: Whole food, Very affordable, Culinary use, Complete nutrients

Fenugreek Powder: Traditional form, Complete spectrum, Affordable, Versatile use

Food sources

before you supplement

Fenugreek seeds 1-2 teaspoons provide moderate benefits · 60

Fenugreek leaves Fresh leaves used as vegetables · 40

Fenugreek extract supplements 500-1000mg per capsule · 75-80

Fenugreek tea Made from seeds, moderate potency · 50

Too little

deficiency signs

Not essential - but symptoms addressed by fenugreek:
Poor blood sugar control and insulin resistance
Low testosterone in men and reduced libido
Insufficient breast milk production
High cholesterol and poor heart health
Poor appetite and digestive issues
Metabolic dysfunction

Too much

toxicity signs

Generally safe but potential effects:
Hypoglycemia with diabetes medications
Maple syrup body odor with high doses
Digestive upset with large amounts
Generally well tolerated

Who benefits most

diabetes-blood-sugar-control

Excellent for supporting healthy blood glucose levels

500-1000mg daily

low-testosterone-men

May help support healthy testosterone levels

500mg daily

breastfeeding-lactation

Traditional galactagogue for increasing milk production

500-1000mg daily

cholesterol-heart-health

May help reduce cholesterol and support heart health

500-1000mg daily

digestive-health-appetite

Supports digestive function and healthy appetite

500-1000mg daily

Where to buy it

compare forms first

Look for Fenugreek at 500-1000mg per serving. The form that matters here is Standardized Fenugreek Extract (50% saponins).

Find on Amazon

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What else affects it

Beyond other supplements

High sugar diet

High sugar intake may overwhelm glucose benefits

Excess glucose reduces effectiveness of blood sugar control

How it works

Soluble fiber slows glucose absorption and improves glycemic control
Saponins may influence steroid hormone synthesis and metabolism
Galactagogue compounds stimulate prolactin and milk production
4-hydroxyisoleucine may enhance insulin sensitivity
Fiber binds cholesterol reducing absorption
Mucilage provides soothing effects on digestive tract

Key findings

what the evidence supports

Good evidence for blood sugar control and diabetes support
Promising evidence for testosterone support and lactation
Generally safe but monitor blood glucose with diabetes medications
Traditional use well-supported by modern research

Sources: NIH Examine.com · data reviewed 2026-08-02

Compiled by Denis, who maintains this database and holds no medical qualification — every figure here is sourced or derived, never asserted. How we calculate it →

Common questions

What are the benefits of Fenugreek?

Documented effects: Blood sugar regulation and diabetes support; Testosterone support in men; Lactation and breast milk production; Cholesterol and heart health. Helps maintain healthy blood glucose levels and insulin sensitivity

How much Fenugreek should you take per day?

The common daily range is 500-1000mg. By goal — blood sugar support: 500-1000mg daily; testosterone support: 500mg daily; lactation support: 500-1000mg daily; cholesterol support: 500-1000mg daily.

When is the best time to take Fenugreek?

With meals. First effects are typically reported within 1-3 weeks for lactation, 4-6 weeks for metabolic benefits.

What are the side effects of Fenugreek?

At excessive doses: Generally safe but potential effects:, Hypoglycemia with diabetes medications, Maple syrup body odor with high doses, Digestive upset with large amounts, Generally well tolerated. Safety rating at normal doses is 7 out of 10.

What should you not take with Fenugreek?

Separate it from High Sugar Diet, Estrogen Medications by two to four hours. High sugar intake may overwhelm glucose benefits

Does Fenugreek interact with medications?

Documented interactions with diabetes-medications, blood-thinners, thyroid-medications. Discuss these with a pharmacist before combining.

How do you know if you need Fenugreek?

The marker is Blood glucose, HbA1c, testosterone, or cholesterol levels, optimal range Improved glucose control and balanced hormone levels. Common deficiency signs: Not essential - but symptoms addressed by fenugreek:, Poor blood sugar control and insulin resistance, Low testosterone in men and reduced libido, Insufficient breast milk production.

Taken for

62 Energy & Metabolism

Vitamin B12 (Methylcobalamin) · Ashwagandha · Vitamin B12 (Cyanocobalamin)

27 Hormones

Melatonin · Vitamin B6 (Pyridoxine HCl) · Vitamin B6 (P5P)