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Cranberry Powder


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Cranberry (vaccinium macrocarpon)
The anatomy of the female urinary tract differs greatly from men, resulting in the need for additional nutritional support for women. A wealth of published studies indicates that cranberry polyphenols may help to support a healthy urinary tract.1-5

Of particular importance is the flavonoid content of the cranberry, including anthocyanins and proanthocyanidins. These natural compounds exert powerful antioxidant effects that can reduce oxidative stress. Recent clinical data suggest that the proanthocyanidins found only in cranberries also possess unique molecular features that specifically promote urinary system health.6-8

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Cranberry is the best-known natural preventive option for frequent UTIs. It first emerged as an effective intervention for bladder and urinary tract health in the early twentieth century. Scientists speculated that the benzoic acid in cranberries was metabolized to hippuric acid and excreted in the urine, which prevented bacterial growth by creating an acidic environment in the bladder.

Since then a wealth of clinical data have detailed the precise mechanism by which certain constituent components of the whole cranberry act to powerfully counter UTI onset.9-12 The most recent studies do not indicate a change in urine pH brought about by cranberries (meaning they do not acidify urine). Instead, cranberry’s antimicrobial action arises from a class of flavonoids called proanthocyanidins (PACs). In addition to exerting potent antioxidant effects, cranberry PACs block bacteria from taking hold of the cells lining the urinary tract.

The surfaces of E. coli and many other bacteria are covered with motile, tendril-like structures called fimbriae. The fimbria acts as a kind of tentacle, enabling bacteria to “grab onto” other microorganisms, inanimate objects and—most importantly—host cells. A single bacterium may possess as many as 1,000 fimbriae. It is this feature that renders E. coli and other species endowed with fimbriae—including Staphylococcus saprophyticus, Salmonella, and Helicobacter pylori—especially virulent and infectious. They employ these structures to latch onto cells in the mucous membranes at multiple sites of the body and initiate a debilitating and potentially lethal proliferation.

A 2009 study demonstrated conclusively that cranberry PACs provoke disabling alterations in the fimbriae and other surface properties of the E. coli bacterium, vastly diminishing its capacity to attach specifically to the surface of the cells lining the urinary tract.9

This process, known as bacteriostasis, prevents harmful bacteria from colonizing the urinary tract. Instead, they are flushed from the urethra during the natural voiding process.


1 lb, 5 lbs

Nutrition Facts

Organic Cranberry juice powder
Nutrition Facts 100 grams
Amount Per Serving

Calories 360
Total Fat 0g
Saturated Fat 0g
Trans Fat 0g
Cholesterol 0mg
Sodium 540mg
Potassium 0mg
Total Carbohydrate 80g
Dietary Fiber 0g
Sugars 60g Added 0 sugar
Protein 0g
Vitamin A 0 IU
Vitamin D 0 mcg
Calcium 18 mg
Iron 3 mg
Vitamin C 0 mg

*Percent Daily Values are based on a 2000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

Ingredients: Organic Cranberry juice powder


1. Cochrane Database Syst Rev. 2004;(2):CD001321.
2. Mol Nutr Food Res. 2007 Jun;51(6):732-7.
3. Evid Based Med. 2008 Aug;13(4):105.
4. BMJ. 2001;322:1-5.
5. Phytomedicine. 2007;14(4):237-41.
6. J Med Food. 2009 Apr;12(2):259-70.
7. Crit Rev Food Sci Nutr. 2002;42(3 Suppl):273-8.
8. Wien Med Wochenschr. 2007;157(13-14):325-30.
9. Pinzón-Arango PA, Liu Y, Camesano TA. Role of cranberry on bacterial adhesion forces and implications for Escherichia coli-uroepithelial cell attachment. J Med Food. 2009 Apr;12(2):259-70.
10 Jass J, Reid G. Effect of cranberry drink on bacterial adhesion in vitro and vaginal microbiota in healthy females. Can J Urol. 2009 Dec;16(6):4901-7.
11. Lee YL, Owens J, Thrupp L, Cesario TC. Does cranberry juice have antibacterial activity? JAMA. 2000 Apr 5;283(13):1691.
12. Howell MB. Bioactive compounds in cranberries and their role in prevention of urinary tract infections. Mol Nutr Food Res. 2007 Jun;51(6):732-7.
*These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease.

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