Limited evidenceGut health

Bael Fruit (Aegle Marmelos)

An Ayurvedic fruit traditionally used for diarrhoea and dysentery. The pharmacology is documented in animals and cell culture; controlled human trials are absent.

Where to buy

View on iHerb

Ships to 180+ countries · welcome discount for new customers

Referral link — this site may earn a commission on purchases.

What the science says

Antidiarrhoeal activity in preclinical models Limited evidence
Pharmacological reviews of Aegle marmelos describe antidiarrhoeal, antimicrobial and mucosa-protective effects in rodent and in-vitro models, attributed to tannins and coumarins such as marmelosin.
No controlled human trials Limited evidence
Recent reviews integrating traditional knowledge with modern physiology note that randomized clinical trials of bael are missing; the human evidence remains traditional use rather than experiment.

Dosage & safety

Studied doseTraditional preparations use 2–5 g/day of dried unripe fruit powder. No dose has been established in a clinical trial.

SafetyFew reports of harm at food-like doses, but long-term safety is unstudied. Animal work points to possible effects on fertility and blood glucose, so avoid in pregnancy and use caution alongside diabetes medication. Acute diarrhoea with fever or blood needs medical care, not a fruit powder.

How to take it

TimingTiming does not matter.

With food?With water or food; the powder is astringent and dry on its own.

Worth knowingRipe and unripe bael are used for opposite purposes traditionally — unripe for loose stools, ripe as a laxative — so check which one the label sold you.

Interactions

With medications

diabetes medication
Animal work shows blood-glucose lowering, so an additive drop is plausible though unquantified in people. monitor your glucose if you combine them

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

Frequently asked questions

Does bael fruit help diarrhea?

Bael fruit's antidiarrhoeal effects are documented only in rodent and cell studies, and controlled human trials are absent, so the evidence is limited. Acute diarrhoea with fever or blood needs medical care, not bael fruit powder.

How much bael fruit powder should I take?

Traditional preparations use 2–5 g/day of dried unripe bael fruit powder, taken with water or food; no dose has been established in a clinical trial. Check whether you have unripe bael, used for loose stools, or ripe bael, used traditionally as a laxative.

Is bael fruit safe?

Bael fruit has few reports of harm at food-like doses, but long-term safety is unstudied. Animal work points to possible effects on fertility and blood glucose, so avoid it in pregnancy and monitor glucose if you take diabetes medication.

Scientific references

Exploring pharmacological potential of Aegle marmelos: integrating traditional knowledge with modern physiology and molecular biology
Thakur M, Kaur T, Sobti RC — Physiol Mol Biol Plants, 2025
Phytochemical and biological review of Aegle marmelos Linn
Monika S, Thirumal M, Kumar PR — Future Sci OA, 2023

Related in Gut health

Probiotics Moderate evidence
Psyllium Husk (fiber) Strong evidence
L-Glutamine Limited evidence
Oregano Oil Limited evidence
Ginger Moderate evidence
Inulin (Prebiotic Fiber) Moderate evidence

Herbal medicines: what the evidence says (335)