According to the FDA's February 2018 response letter, the company had "requested that FDA authorize a health claim for the relationship between the consumption of cranberry juice products and a reduced risk of recurrent urinary tract infection in healthy women." The FDA stated that they would consider the petition for a "qualified health claim." This type of health claim label does not require "significant scientific agreement" as the FDA's label with a higher standard, the "authorized health claim," does. In September 2017, Ocean Spray, a major cranberry juice manufacturer, submitted a health claim petition to the FDA. When the quality of meta-analyses on the efficacy of cranberry products for preventing or treating UTIs was examined, large variation was evident, resulting from inconsistencies in clinical research methods. One systematic review in 2017 showed that cranberry products significantly reduced the incidence of UTIs, indicating that cranberry products may be effective particularly for individuals with recurrent infections. In 2008, there was tentative evidence that long-term use of cranberry juice might help prevent symptomatic urinary tract infections (UTIs), but this finding was refuted in 2012 with a conclusion that "14 further studies suggest that cranberry juice is less effective than previously indicated," and "cranberry juice cannot currently be recommended for the prevention of UTIs." The European Food Safety Authority reviewed the evidence and concluded a cause and effect relationship has not been established between the consumption of cranberry products and reducing the risk of UTIs. Cranberry juice and urinary tract infection Some cranberry juice products contain large amounts of sugar used in manufacturing to make the drink more palatable, but their consumption may increase the risk of hyperglycemia and reduced control of blood glucose in people with diabetes or glucose intolerance. Effect on health Ĭranberry juice is an acidic drink with a pH of about 2.6. One half cup of cranberry juice provides 60 calories, 20% of the Daily Value for vitamin C, and counts as one-half of a fruit serving toward the United States MyPlate daily nutrition guide. Other than vitamin C and folate having more than 10% of the Daily Value, a typical serving of cranberry juice provides no micronutrients in significant content (table). A cup of standard ( fortified) cranberry juice, amounting to 248 grams or 8 ounces, provides 107 calories and contains vitamin C as an ingredient to preserve freshness, with other micronutrients that may be added during manufacturing.
Nutrition and composition Ĭranberry juice is 86% water, 11% carbohydrates, and less than 1% fat or protein (table).
A scientific panel for the European Food Safety Authority concluded a cause-and-effect relationship could not be established between cranberry consumption and risk of UTIs. Low-calorie cranberry juice products use non-caloric sweeteners.ĭespite a long-held reputation for providing antibacterial activity against urinary tract infections (UTIs), cranberry juice has no proven effects on UTIs due to uncertainty about the quality of research, as determined by a Cochrane review of completed clinical research. The term "cranberry juice cocktail" or "cranberry juice blend" refers to products that contain about 28% cranberry juice, with the remainder either from other fruit juice concentrates (typically grape, apple or pear), water, and added sugar to improve palatability. Major cranberry products include cranberry juice, dried cranberry, cranberry sauce, frozen cranberry, cranberry powder, and dietary supplements containing cranberry extracts. †Percentages are roughly approximated using US recommendations for adults.Ĭranberry juice is the liquid juice of the cranberry – a fruit recognized for its bright red color, tart taste, and versatility for product manufacturing.
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