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Moderate evidenceWeight management

Cumin Extract

The common kitchen spice, concentrated. Meta-analyses of small randomized trials find real but small improvements in cholesterol and blood sugar; the weight-loss effect is minor.

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What the science says

  • Blood lipids Moderate evidence

    A systematic review and meta-analysis of randomized controlled trials found cumin supplementation lowered total cholesterol, LDL and triglycerides and raised HDL. The included trials were small and mostly conducted in one region, which limits how far the result generalises.

  • Body weight and waist Limited evidence

    The same meta-analysis of lipid and anthropometric outcomes reported small reductions in body weight and BMI. The differences were on the order of one to two kilograms and came from short trials, so cumin is not a meaningful weight-loss tool on its own.

  • Blood sugar Moderate evidence

    A separate meta-analysis of randomized trials on glycemic indices, and a later GRADE-assessed review in adults with metabolic disorders, both found significant reductions in fasting blood glucose. Effect sizes varied widely between trials.

Dosage & safety

Studied doseTrials have used 75 mg/day of concentrated cumin essential oil up to 3 g/day of cumin powder, usually split across meals for 8–12 weeks.
SafetyGenerally well tolerated as a food; concentrated extracts may cause heartburn or belching. May add to the effect of blood-sugar-lowering medication. Avoid high-dose extracts in pregnancy.

How to take it

TimingSplit across two or three meals, which is how the trials dosed it.
With food?Take it with meals — concentrated cumin oil causes heartburn and belching on an empty stomach.
Worth knowingThis is Cuminum cyminum, not black seed (Nigella sativa); the two are sold under similar names and have different evidence.

Interactions

With medications

  • diabetes medication

    Cumin modestly lowers fasting glucose and can add to insulin or oral hypoglycaemics. monitor blood glucose and talk to your doctor before combining

With other supplements

  • berberine, cinnamon and other glucose-lowering supplements

    Additive blood-sugar lowering. monitor rather than stacking several at once

Well-established interactions only — this is not a complete list. Always tell your doctor and pharmacist what you take.

Frequently asked questions

Does cumin lower cholesterol?

Cumin extract has moderate evidence for lowering cholesterol: a meta-analysis found it reduced total cholesterol, LDL and triglycerides and raised HDL. The trials were small and mostly from one region.

Does cumin help you lose weight?

Cumin produced only small reductions in body weight and BMI, on the order of one to two kilograms in short trials, so the evidence is limited. Cumin is not a meaningful weight-loss tool on its own.

Does cumin lower blood sugar?

Meta-analyses found cumin significantly reduced fasting blood glucose, with moderate evidence but widely varying effect sizes. Cumin can add to diabetes medication, so monitor your blood glucose.

How much cumin extract should I take?

Cumin trials used from 75 mg/day of concentrated essential oil up to 3 g/day of powder, split across meals for 8–12 weeks. Cumin (Cuminum cyminum) is not black seed (Nigella sativa), which has different evidence.

Scientific references

Related in Weight management

Herbal medicines: what the evidence says (335)