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SupplementScience

Types of Cranberry Extract: Forms & Bioavailability

This content is for informational purposes only and does not constitute medical advice. Consult your healthcare provider before starting any supplement. Full disclaimer

Forms Comparison

FormBioavailabilityBest For
Standardized PAC Extract (capsules/tablets)HighUTI prevention — standardized to 36mg+ PACs per dose; most reliable form for therapeutic use
Cranberry Juice (unsweetened)ModerateTraditional use — 240-300ml unsweetened juice daily; challenging to maintain adequate PAC levels consistently
Whole Cranberry PowderModerateBroad polyphenol intake — provides fiber and other fruit compounds but PAC content may be lower and variable

Standardized PAC Extract (capsules/tablets)

Bioavailability: High. Best for: UTI prevention — standardized to 36mg+ PACs per dose; most reliable form for therapeutic use.

Cranberry Juice (unsweetened)

Bioavailability: Moderate. Best for: Traditional use — 240-300ml unsweetened juice daily; challenging to maintain adequate PAC levels consistently.

Whole Cranberry Powder

Bioavailability: Moderate. Best for: Broad polyphenol intake — provides fiber and other fruit compounds but PAC content may be lower and variable.

References

  1. (). Cranberries for preventing urinary tract infections. Cochrane Database of Systematic Reviews. DOI
  2. (). A-type cranberry proanthocyanidins and uropathogenic bacterial anti-adhesion activity. Phytochemistry. DOI