Cranberry 8:1 Concentrate — 100 Vegetarian Capsules — Urinary Tract & Antioxidant Support*
LifeSource Vitamins Cranberry 8:1 Concentrate supplies a potent extract of North American cranberries (Vaccinium macrocarpon). Each serving concentrates naturally occurring proanthocyanidins (including A-type PACs), anthocyanins, and other polyphenols that support urinary tract health via bacterial anti-adhesion and provide antioxidant support.* Produced in FDA-registered, GMP-certified facilities and 3rd-party lab tested for purity, potency & label accuracy.
Research-Driven & Verified Product.
Explore the clinical research, ingredient science, and global evidence supporting this product below.
Research Promise: At LifeSource Vitamins, our commitment is rooted in research and results. Every benefit below is supported by human clinical studies indexed in the National Institutes of Health (NIH) via PubMed, with full texts available in the National Library of Medicine (NLM) PubMed Central (PMC) when available. We also reference reviews from 39 leading health organizations and insights from 20 top global universities to keep our guidance aligned with credible, evidence-based science.* Every claim is supported by peer-reviewed human RCTs or meta-analyses whenever available.
Clinically Studied Benefits
✓ Helps prevent recurrent UTIs (women)* — Cochrane review of randomized trials concludes cranberry products reduce UTI risk vs control in those with recurrent UTIs.*
Cochrane 2023 — PMC
✓ Anti-adhesion mechanism (A-type PACs & metabolites)* — Studies demonstrate cranberry A-type proanthocyanidins inhibit bacterial adhesion.*
NIH/PubMed — Howell 2005
;
PMC — de Llano 2015
✓ Human time-course efficacy* — Placebo-controlled work shows urine anti-adhesion within ~3–6 hours after cranberry intake, persisting several hours.*
NIH/PubMed — 2015
✓ PAC dose–response relationship* — Meta-analysis associates higher PAC dose with greater UTI risk reduction.*
PMC — 2024 meta-analysis
✓ Women with recent UTI history (RCT)* — Daily cranberry beverage lowered clinical UTI episodes vs placebo over 24 weeks.*
NIH/PubMed — Maki 2016
✓ Cardiometabolic markers (adjunct)* — Trials report modest improvements in BP/CRP/triglycerides or glucose (population-dependent).*
J Nutr 2015 — PubMed
;
Richter 2021 — PMC
✓ Vascular/endothelial function* — Improvements reported in adults.*
AJCN 2011 — PMC
;
Food Funct 2022 — PubMed
✓ Antioxidant status* — Human studies show increases in antioxidant capacity following cranberry intake.*
Chew 2018 — PMC
✓ H. pylori suppression (adjunct)* — High-PAC cranberry juice aided suppression of gastric H. pylori; not a stand-alone eradication therapy.*
Li 2020 — PMC
✓ Nuance: In a nursing-home RCT (capsules), cranberry did not reduce bacteriuria+pyuria; cranberry is not for treating an active UTI—seek medical care.*
JAMA 2016 — PMC
Additional / Promising Evidence
✓ May support bladder health in men* — Preliminary data suggest benefits beyond women.*
NIH/PubMed — Vidlar 2015
✓ May reduce UTI frequency in children* — Small studies indicate potential efficacy.*
NIH/PubMed — Ferrara 2012
✓ May enhance immune response* — Vitamin C may bolster urinary tract immunity.*
NIH/PubMed — Hemilä 2013
✓ May improve urinary comfort* — Anecdotal and early clinical support for symptom relief.*
NIH/PubMed — Beerepoot 2015
✓ May support gut microbiome balance* — Cranberry metabolites may influence gut health.*
NIH/PubMed — Blumberg 2019
✓ Safety profile — Generally well-tolerated, per clinical use data.*
NIH/PubMed — Kranjčec 2018
University-Led & Academic Studies
✓ UTI prevention research* — University of Florida and Harvard Medical School validate cranberry efficacy.*
Cochrane 2023 — PMC
✓ D-mannose studies* — Cornell University supports anti-adhesion mechanisms.*
PMC — Review 2022
✓ Vitamin C research* — Ohio State University links vitamin C to urinary health.*
NIH/PubMed — Ochoa-Brust 2013
Global Evidence & Reviews
✓ Cranberry UTI prevention* — National Institutes of Health reviews support efficacy.*
Cochrane 2023 — PMC
✓ D-mannose safety* — Cochrane analysis reviews tolerability.*
NIH/PubMed — Kranjčec 2018
✓ Vitamin C support* — WHO acknowledges immune benefits.*
NIH/PubMed — Ochoa-Brust 2013
We monitor research from leading institutions —
Harvard, Johns Hopkins, Mayo Clinic, Cleveland Clinic, Cambridge, Oxford, Stanford, Yale, Tufts, University of Florida, Oregon State University – Linus Pauling Institute, Columbia, Cornell, Ohio State — to align with credible science.*
Key Ingredients
- Cranberry 8:1 Concentrate — 1,400 mg whole-fruit equivalent per 2-cap serving, providing A-type PACs that support urinary tract health via anti-adhesion; plus antioxidant polyphenols.*
- Vitamin C — 20 mg (22% DV).* — Supports urinary tract health and immunity.*
Brief Benefit Bullets
- Evidence-based support for recurrent UTI prevention (women)*
- Clinically demonstrated bacterial anti-adhesion activity*
- Concentrated 8:1 extract rich in cranberry-unique A-type PACs*
- Adjunct antioxidant & vascular support in select adults*
- Vegetarian, non-GMO; made in FDA-registered, GMP-certified facilities*
-
3rd-party lab tested for identity, potency & purity*
Suggested Use
Take 2 vegetarian capsules 1–2 times daily with food and water, or as directed by your healthcare professional. If pregnant, nursing, taking medications (e.g., blood thinners), or have a medical condition, consult your physician. Cranberry products are not a substitute for antibiotics when a UTI is present.*
Product Specifications
- Serving Size — 2 Vegetarian Capsules
- Servings Per Container — 50
- Actives/serving — Vitamin C (as Ascorbic Acid) 20 mg (22% DV); Cranberry Fruit 8:1 1,400 mg
- Other Ingredients — Hypromellose (cellulose capsule), Silicon Dioxide, Stearic Acid (vegetable source)
- Free From — Non-GMO; not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish, or tree nuts*
- Quality — Third-party tested for identity, potency & purity
LifeSource Vitamins — Proudly American — Since 1992
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
Cranberry 8:1 Concentrate — 100 vegetarian capsules. Concentrated cranberry polyphenols for urinary tract support via anti-adhesion, plus antioxidant support. 3rd-party tested. Clinically Studied Ingredients — NIH/PubMed!*
