SAFE
Bearberry Leaf
Arctostaphylos uva-ursi raw leaf
Possibly Safe
V1 Verified
Kidney Herbs
PubMed Studies
480
About
Bearberry leaf containing arbutin, hydroquinone, and tannins for urinary antisepsis and UTI symptom relief.
How it works (mechanism of action)
Provides diuretic effects via prostaglandin-mediated renal blood flow increase. Anti-inflammatory activity reduces renal tubular inflammation. Antilithic effects may involve urine alkalinisation, citrate excretion, or dissolution of calcium oxalate crystals.
📊 Effectiveness
UTI treatment
Evidence Grade B · 8 studies · n=480
Evidence grades: A=Strong RCT evidence · B=Good clinical trials · C=Limited trials · D=Preliminary/traditional
👥 Safety by Population
🚫 Contraindications & Warnings
Short-term use only (max 5 days, 5x/year). Kidney disease: avoid. Pregnancy: avoid.
🏷️ Other Names
Arctostaphylos uva-ursi raw leaf