Home Ingredients Cranmax® (Whole Cranberry Concentrate — Decas)
Immune SupportWomen's Health

Cranmax® (Whole Cranberry Concentrate — Decas)

Vaccinium macrocarpon
Evidence Level
Moderate
1 Clinical Trial
3 Documented Benefits
3/5 Evidence Score

Cranmax® is a whole-fruit cranberry (Vaccinium macrocarpon) concentrate from Decas Botanical Synergies, capturing the cranberry's juice, seeds, and skin. Cranberry is best known for supporting urinary tract health, largely through compounds that help keep bacteria from sticking to the bladder wall.

Studied Dose Commonly 500 mg of cranberry concentrate per day.
Active Compound Whole cranberry concentrate providing proanthocyanidins (PACs) and other cranberry polyphenols, with the bacterial anti-adhesion type-A PACs.

Benefits

Urinary tract health

Cranberry is widely used and studied for supporting urinary tract health and reducing the recurrence of urinary tract infections, a benefit recognized in reviews of non-antibiotic options.

Supported by Trial 1

Anti-adhesion action

Cranberry proanthocyanidins help stop certain bacteria from adhering to the bladder wall, the leading proposed mechanism for its urinary benefit.

Supported by Trial 1

Antioxidant polyphenols

The whole-fruit polyphenols provide antioxidant support beyond the urinary tract.

Supported by Trial 1

Mechanism of action

1

Type-A proanthocyanidins

Cranberry's distinctive type-A PACs interfere with the fimbriae that E. coli use to stick to the urinary lining, helping bacteria be flushed out.

2

Whole-fruit polyphenols

Using the whole fruit provides a broad mix of polyphenols with antioxidant activity.

Clinical trials

1
Cranberry and Urinary Tract Health — Review
PubMed

Review of non-antibiotic interventions, including cranberry, to prevent recurrent urinary tract infections. (Santer et al. 2026, British Journal of General Practice)

Adults prone to recurrent UTIs.

The review supports cranberry among non-antibiotic options for reducing recurrent urinary tract infections, consistent with its anti-adhesion mechanism.

Side effects and drug interactions

Common Potential side effects

GENERALLY WELL-TOLERATED — cranberry is well tolerated.
Mild digestive upset is occasionally reported.
Very high intake may slightly increase the risk of kidney stones in susceptible people.

Important Drug interactions

Warfarin — cranberry may interact; monitor INR if combined.
Tell your doctor if you have a history of kidney stones.
Not a substitute for antibiotics in an active infection; see a doctor for symptoms.

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Frequently asked questions about Cranmax® (Whole Cranberry Concentrate — Decas)

What is Cranmax® (Whole Cranberry Concentrate — Decas)?

Cranmax® is a whole-fruit cranberry (Vaccinium macrocarpon) concentrate from Decas Botanical Synergies, capturing the cranberry's juice, seeds, and skin. Cranberry is best known for supporting urinary tract health, largely through compounds that help keep bacteria from sticking to the bladder wall.

What is the recommended dosage of Cranmax® (Whole Cranberry Concentrate — Decas)?

The clinically studied dose for Cranmax® (Whole Cranberry Concentrate — Decas) is Commonly 500 mg of cranberry concentrate per day.. Always follow product labeling and consult a healthcare provider for personalized dosing recommendations.

What is Cranmax® (Whole Cranberry Concentrate — Decas) used for?

Cranmax® (Whole Cranberry Concentrate — Decas) is studied for urinary tract health, anti-adhesion action, antioxidant polyphenols. Cranberry is widely used and studied for supporting urinary tract health and reducing the recurrence of urinary tract infections, a benefit recognized in reviews of non-antibiotic options.

Are there side effects from taking Cranmax® (Whole Cranberry Concentrate — Decas)?

Reported potential side effects may include: GENERALLY WELL-TOLERATED — cranberry is well tolerated. Mild digestive upset is occasionally reported. Always consult a healthcare provider before starting any new supplement, especially if you have underlying conditions or take medications.

Is Cranmax® (Whole Cranberry Concentrate — Decas) safe to take?

Whether Cranmax® (Whole Cranberry Concentrate — Decas) is safe depends on the dose, your overall health, and any medications you take. At studied doses, reported side effects can include: GENERALLY WELL-TOLERATED — cranberry is well tolerated. It may also interact with certain medications. Cranmax® (Whole Cranberry Concentrate — Decas) is not suitable for everyone — consult a healthcare provider before use if you are pregnant or breastfeeding, have a medical condition, or take prescription medications.

References(1 citations)

Evidence ratings on NutraSmarts are based on the totality of human clinical research, with emphasis on randomized controlled trials, meta-analyses, and systematic reviews. The references below directly support claims made throughout this page.

  1. Santer M, Miller S, Fraser S, et al. Non-antibiotic interventions to prevent recurrent urinary tract infections. Br J Gen Pract. 2026;(advance)..PubMedUsed to support: Review supporting cranberry for urinary tract health.