Nature's lab - cranberry 5400mg - 90 vegetarian capsules cranberry is a naturally acidic native evergreen shrub that grows in the north-eastern and north-central parts of the united states, europe and asia. Cranberry fruit contains a source of antioxidant compounds (proanthocyanidins) that promote a healthy urinary tract by ing the health and integrity of the bladder walls. Nature lab cranberry contains a blend of both cranberry concentrate and organic cranberry powder equal to 5, 400 mg of cranberry without the sugar found in traditional cranberry juice. . Nature's lab cranberry 5400mg healthy - 90 vegetarian capsules (90 servings)