Bearberry (Arctostaphylos uva-ursi) leaves containing high concentrations of arbutin and tannins. Arbutin is absorbed in the gut and excreted in the urine, where it is cleaved into free hydroquinone, exerting direct bactericidal action against E. coli and Staphylococcus in alkaline urine.
Educational information only — never stop or change a prescribed medication without talking to your prescriber first.
FOR ACUTE SHORT-TERM USE ONLY (maximum 5-7 consecutive days; do not take more than 5 times per year). High prolonged doses can cause liver and renal stress due to free hydroquinone. Arbutin works most effectively in alkaline urine (avoid acidic juices/vitamin C during use). Contraindicated during pregnancy.
Evidence level: Strong
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