New research links higher blood levels of xylitol, a popular artificial sweetener, to an increased risk of cardiovascular events, including heart attacks and strokes, over time.
A recent study involving over 17,700 participants has raised concerns about the cardiovascular risks associated with xylitol, a widely used artificial sweetener. The research, presented at the ESC Cardiology Congress in Germany, indicates that elevated levels of xylitol in the blood may correlate with an increased likelihood of major adverse cardiovascular events (MACE), such as heart attacks and strokes.
Xylitol is a sugar alcohol commonly utilized as a low-calorie sweetener and sugar substitute. According to the National Institutes of Health, it is frequently found in various products, including foods, beverages, chewing gum, and dental care items.
The study tracked two significant cohorts of participants from Canada and the United Kingdom. Over a six-year follow-up period, individuals in the Canadian Longitudinal Study on Aging who exhibited the highest xylitol levels faced a 57% higher risk of death, myocardial infarction, or stroke linked to cardiovascular events compared to those with the lowest levels. In the European Prospective Investigation into Cancer (EPIC)-Norfolk group, participants with elevated xylitol levels over a 30-year period had an 18% increased risk of MACE.
Both study cohorts demonstrated a dose-dependent relationship, indicating that higher blood concentrations of xylitol were associated with increased rates of cardiovascular incidents. Notably, these heightened risks persisted even after adjusting for various factors, including age, gender, body mass index, hypertension, diabetes, and lipid levels.
Dr. Marco Witkowski, the study presenter from Charité University Hospital in Berlin, emphasized the implications of the findings. He noted that while artificial sweeteners are often perceived as healthier alternatives to sugar and are generally considered safe by regulatory agencies, the long-term cardiovascular safety of xylitol remains uncertain.
“Our long-term findings in the general population highlight how little we know about the cardiovascular safety of xylitol and indicate that further studies are warranted, especially as the amount of xylitol in products continues to increase,” Dr. Witkowski stated.
While the study is observational and does not establish a direct causal relationship between xylitol and cardiovascular events, the researchers acknowledged the need for additional investigations to validate their findings. They also pointed out that high levels of xylitol in the blood do not necessarily indicate dietary consumption, as the body can produce this sugar alcohol naturally during glucose metabolism.
Dr. Aseem Malhotra, a cardiologist and public health advocate based in London, expressed concern over the study’s findings. “These disturbing findings with a plausible mechanism of xylitol increasing cardiovascular risk should be taken very seriously,” he told Fox News Digital. Malhotra, who was not involved in the research, noted that many of his patients experience anxiety and palpitations that resolve upon discontinuing artificial sweeteners.
He advocates for significant dietary changes to mitigate cardiovascular risk, advising patients to “unsweeten your sweet tooth.” Malhotra recommends avoiding all processed sugars and artificial sweeteners for a period of six weeks to help break the addiction.
As the consumption of artificial sweeteners continues to rise, these findings underscore the importance of further research into their long-term health effects. The study serves as a reminder for consumers to remain vigilant about the ingredients in their foods and beverages.
Fox News Digital reached out to several food and beverage trade groups for comment regarding the study’s implications.
According to Fox News Digital, the ongoing conversation about artificial sweeteners and their health impacts highlights the need for consumers to make informed choices about their diets.