Cranberry

Ripe red cranberries growing on low vines in a bog

Cranberry is the best-studied urinary food in the library. Here is its Indigenous and folk history, what the 2023 Cochrane review of 50 trials found for repeat bladder infections (and who it did not help), study amounts, and the warfarin and kidney-stone cautions.

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The full guide, with how to use it and the safety notes, is in the Remedies Vault.

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