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Cranberry Extract (PACran)

Urinary tract · UTI prevention

STRONG EVIDENCEVEGANREAD THE RESEARCH
Written to our editorial standards · reviewed against published research· Updated 2 Jun 2026
Last reviewed: May 30, 2026
QUICK ANSWER

Cranberry Extract: Urinary tract · UTI prevention. Concentrated extract delivering 36 mg PACs daily, the dose shown to reduce recurrent UTI risk. Replaces drinking gallons of juice. Standard dose 500 mg standardised, taken in the morning, about $18/month. Evidence rating: strong evidence.

What is Cranberry Extract?

Cranberries contain a unique class of polyphenols called proanthocyanidins (PACs), particularly A-type PACs, that prevent E. coli bacteria from adhering to the bladder wall, where they would otherwise multiply and cause urinary tract infections. Clinical research suggests that a daily dose of 36 mg of A-type PACs (the amount in concentrated extracts like PACran) meaningfully reduces the risk of recurrent UTIs, particularly in women prone to them. Capsule extracts deliver this dose without the added sugar of juice. Standard dose is 500 mg of standardized extract daily. Cranberry is preventive, it does not treat an active infection, which requires antibiotics.

WHY IT MATTERS

Concentrated extract delivering 36 mg PACs daily, the dose shown to reduce recurrent UTI risk. Replaces drinking gallons of juice.

Natural food sources

Where possible, get Cranberry Extract from whole foods first. Common dietary sources include:

CranberriesCranberry juiceDried cranberries

Where to buy

Solgar Cranberry Extract PACran 500mg
RECOMMENDED
Solgar, Cranberry Extract
500 mg standardised · Morning · ~$18/month

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Common questions

What is Cranberry Extract?
Cranberries contain a unique class of polyphenols called proanthocyanidins (PACs), particularly A-type PACs, that prevent E. coli bacteria from adhering to the bladder wall, where they would otherwise multiply and cause urinary tract infections. Clinical research suggests that a daily dose of 36 mg of A-type PACs (the amount in concentrated extracts like PACran) meaningfully reduces the risk of recurrent UTIs, particularly in women prone to them. Capsule extracts deliver this dose without the added sugar of juice. Standard dose is 500 mg of standardized extract daily. Cranberry is preventive, it does not treat an active infection, which requires antibiotics.
What is Cranberry Extract used for?
Urinary tract · UTI prevention. Concentrated extract delivering 36 mg PACs daily, the dose shown to reduce recurrent UTI risk. Replaces drinking gallons of juice.
What is the standard dose of Cranberry Extract?
500 mg standardised, typically taken in the morning. Approximate cost is $18 per month.
How strong is the evidence for Cranberry Extract?
Strong evidence for its primary uses. See the full study list on the research page.

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