Common Sweetener Xylitol Linked to Heart Attack Risk

A new study has linked xylitol, a widely used sugar substitute found in chewing gum and other sugar-free products, to an increased long-term risk of heart attack and stroke.

Xylitol has long been marketed as a healthier alternative to sugar, popular among people managing their weight or blood sugar levels. It is commonly used in chewing gum, candies, and various food products labelled as sugar-free.

According to the research, people who consumed xylitol over an extended period showed a higher likelihood of developing cardiovascular issues, a term that covers conditions affecting the heart and blood vessels.

A heart attack occurs when blood flow to the heart muscle is suddenly blocked, often due to a clot. A stroke involves a similar blockage but affects blood flow to the brain. Both are medical emergencies that can result in permanent damage or death if not treated quickly.

The study's focus on long-term outcomes suggests that the risks associated with xylitol may not be immediately apparent, developing instead after sustained use over months or years.

This research adds to a broader body of scientific work examining the safety of artificial sweeteners, which have become increasingly common as consumers seek alternatives to sugar amid concerns about obesity and diabetes.

While the findings raise concerns, experts note that further research is required to fully understand the mechanisms linking xylitol to cardiovascular risk, and to determine whether certain doses or consumption patterns are more dangerous than others.

In the meantime, health professionals advise that individuals with existing heart conditions or risk factors should discuss their use of sugar substitutes, including xylitol, with a doctor. The study is likely to prompt renewed scrutiny of sugar-free products that have long been assumed to be a safer choice than those containing regular sugar.