Is xylitol a potential carcinogen? Evaluating the risks of this sweetener
Kacper Nowak
2026-03-17
3 min. read
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Over recent years, there has been a significant increase in the availability and popularity of sugar substitutes as healthier alternatives to refined white sugar. Among the most notable options are natural sweeteners such as stevia, erythritol, sorbitol, and xylitol, which has earned the reputation of being a "natural sugar." Xylitol is commonly used as an additive in confectionery (E967), toothpaste, and chewing gum. However, despite its widespread use, questions persist regarding its safety. Is xylitol truly a safe choice, or does it pose potential health risks?
Xylitol
Xylitol belongs to the group of polyols, i.e. sugar alcohols. Its appearance and taste resemble that of ordinary sugar (sucrose). It can be found in both food products and in its pure form. Its popularity is due to its sweetness, low calorie content and low glycemic index (it raises blood glucose very slowly), which makes it useful for diabetics and people on a reduced diet.
The harm of xylitol
People with intestinal complications such as irritable bowel syndrome, excess small intestinal bacteria (SIBO) and Crohn's disease may experience increased gastrointestinal disorders exacerbated by diabetes alcohol. According to one of the reports, moderation is the key to maintaining health. The side effects of diabetes mellitus can be observed after more than 40 to 50 mg a day, including alcohol intake, heartburn, nausea, diabetes, and other diseases, which can be seen as a major factor in the treatment of diabetes.
Is xylitol carcinogenic?
Currently, there is no research that suggests that chewing gum sweetened with xylitol or consuming sugar-sweetened cookies will cause any disease, but you should be careful about eating it and not allowing it to become a part of your daily natural diet. One study has shown that it can best treat lung cancer by inhibiting the proliferation of cells. However, it is recommended as a substitute for sugar for people who also have cancer. As mentioned earlier, its origin is important as it proves its quality and its nutritional value. In recent years, thanks to the progress of biotechnology, it has been used in the production of corn as a raw material.
