Drinking cranberry juice may result in various negative effects, including diarrhea, kidney stones, gastritis, and diabetes. It is important to be aware of these risks before starting a new supplement routine. Although these side effects can be concerning, they may not always require stopping consumption right away.
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Diarrhoea
Cranberry juice contains a natural salicylate, which can reduce the amount of Enterobacteriaceae in the digestive tract. This type of bacteria is commonly found in people with digestive issues and is responsible for constipation. Cranberry juice helps to retain water in the colon which makes the stool compact.
Kidney stones
Although cranberry juice is good for the bladder and urinary functions, it can also cause kidney stones in some people. These stones are caused by calcium buildup in the kidneys. They are painful and can cause nausea and sharp pain in the abdomen.
Diabetes
A recent study examined the effects of cranberry extract on blood glucose levels in type 2 diabetic patients. The juice was found to improve fasting glucose levels as well as some biomarkers of inflammation and oxidation. The results were not statistically significant.
Gastritis
Cranberry extract powder has been shown not to cause gastritis or peptic ulcer. It also inhibits gastric cells from secreting interleukin-8 (IL-8). Several studies have shown that cranberry can also reduce the rate of stomach cancer in humans.
Plaque for the teeth
The antimicrobial plant polyphenols in cranberry juice can help prevent dental plaque. These compounds prevent the formation of plaque-forming enzymes, and stop bacteria sticking to tooth surfaces. This effect is similar to the one seen with black tea.
Skin health
Cranberry juice contains an abundance of vitamin C, which helps the skin stay healthy. This vitamin is responsible for the production of collagen, which gives the skin its structure. It also helps prevent the aging process by protecting against UV light damage.
Cancer
A recent study has shown that drinking cranberry juice can reduce the risk of cancer. It was found that cranberry juice contained a high amount of polyphenols, which reduced the viability and viability of cancer cells. This substance is likely to be composed of proanthocyanidins and anthocyanins, which are high molecular-weight polyphenolic compounds.
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