Cranberry
Vaccinium macrocarpon
A tart berry with moderate evidence for helping PREVENT (not treat) recurrent urinary-tract infections.
Traditional use (indigenous-americas, household): A tart berry with moderate evidence for helping PREVENT (not treat) recurrent urinary-tract infections.
A tart berry with moderate evidence for helping PREVENT (not treat) recurrent urinary-tract infections.
Active constituents are under study; evidence ranges from traditional use to preliminary human trials.
- A tart berry with moderate evidence for helping PREVENT (not treat) recurrent urinary-tract infections.
Evidence strength: mixed.
- See the evidence level above
- High doses can upset the stomach, add to warfarin's effect, and aren't ideal with kidney stones.
- Kidney stones (high oxalate)
High doses can upset the stomach, add to warfarin's effect, and aren't ideal with kidney stones.
May interact with prescription medications — review with a clinician if you take any.
Use caution in pregnancy, breastfeeding, for children, and with chronic disease unless cleared by a clinician.
Choose reputable, tested suppliers; correct identification is essential for wild-harvested plants.