Research
Arbutin for Bladder Health: Evidence, Interactions and Cautions
Arbutin is an ingredient used in bladder supplements marketed to women. Below is what it has actually been studied for, how strong that evidence is, the drug interactions and cautions on record, and the primary source our grade rests on — all drawn from the HerWellReport ingredient dataset.
Also sold as: Beta-arbutin; hydroquinone beta-D-glucopyranoside; the marker compound of bearberry, Arctostaphylos uva-ursi
What the evidence says about Arbutin
The EMA's bearberry assessment found no clinical efficacy trials even for the whole leaf, granting traditional-use registration only, and notes that marketed products contain leaf preparations rather than purified arbutin. The one large randomised trial of a standardised uva-ursi extract, ATAFUTI, randomised 382 UK women with suspected uncomplicated UTI and found no difference from placebo in symptom severity on days 2 to 4. Arbutin is converted in the body to hydroquinone, which is why the EMA caps bearberry use at one week; buying the isolated compound removes that regulatory guard rail without adding any evidence.
The grade "none" means: none — No human trial evidence we could find for this use. Grades are explained in full on our methodology page.
Read the primary source this grade rests on (opens in a new tab).
Arbutin drug interactions
No documented drug interactions in the sources we checked. That is not the same as proof of safety alongside your medication — it usually means the question has not been studied. Ask a pharmacist before combining it with prescription drugs.
Who should be careful with Arbutin
- Short-term use only, no more than one week
- Not in kidney disorders
- Not in pregnancy or breastfeeding
- Not under 18 years
- See a doctor if symptoms last more than 4 days
- Can turn urine greenish-brown
Read more on HerWellReport
- Best Bladder Control Supplements for Women (2026): What’s Actually in Them
- FemiCore Ingredients: The Full List, What Each One Does, and Interactions
This entry is generated from row "Arbutin" of the HerWellReport ingredient dataset (v2.1, updated 2026-09-23). The dataset is free to reuse under CC BY 4.0 — how to cite it. Ingredient evidence is not evidence for any finished product, and nothing here is medical advice.