SAFE

cranberry

Warfarin
Possibly Safe V1 Verified
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PubMed Studies
178
PubChem CID
About

Monitor INR — isolated cases of INR elevation documented

How it works (mechanism of action)

15830732

📊 Effectiveness
UTI prevention
Evidence Grade B · 22 studies · n=3,200
Possibly Effective

Evidence grades: A=Strong RCT evidence · B=Good clinical trials · C=Limited trials · D=Preliminary/traditional

👥 Safety by Population
PopulationSafety RatingMax Safe Dose
GeneralPossibly safeNot established
PregnancyPossibly safeNot established
ElderlyPossibly safeNot established
🚫 Contraindications & Warnings

Consult a healthcare professional before use if pregnant, breastfeeding, taking prescription medications, or if you have a medical condition. Keep out of reach of children.

💊 Drug Interactions (1)
🟡 Warfarin
Moderate
Anticoagulant
Management: Monitor INR with regular cranberry consumption.
Products containing this ingredient (3)
🏷️ Other Names
Vaccinium macrocarpon Cranberry extract PACs Proanthocyanidins
Updated: 2026-04-11
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