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Published on: 7/15/2026
Erythritol, a popular sugar substitute found in many low-calorie and keto-friendly products, may be linked to an increased risk of stroke, heart attack, and other cardiovascular events, according to recent studies. Researchers found that higher blood levels of erythritol were associated with a greater likelihood of blood clot formation, which can trigger serious heart problems.
If you've been consuming erythritol regularly and are experiencing symptoms like chest discomfort, dizziness, headaches, or unusual fatigue, it's important not to ignore them. Understanding your symptoms early can help you make informed decisions and know when to seek medical care. Take a free, instant, online symptom check to better understand what may be going on and confidently navigate your next steps.
Reviewed for medical accuracy: 07/15/2026
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Submit your own QuestionErythritol is a sweetener used in many foods as a sugar substitute. Recent studies have looked at whether erythritol might be linked to health problems like strokes. In one study, researchers found that people who had higher levels of erythritol in their blood were more likely to have heart problems and strokes. Another study suggested that erythritol could affect the body's blood vessels in a way that might increase the risk of these problems.
Here are some key points from the studies:
Heart and Stroke Risk: One study noted a possible connection between erythritol and an increased risk of heart problems and strokes.
Blood Vessel Effects: Another study found that erythritol might change how blood vessels work, which could lead to health issues.
Diabetes Concerns: A third study suggested that erythritol might play a role in diabetes, which is a condition that can also increase the risk of strokes.
These studies suggest that there could be some health risks associated with erythritol, but more research is needed to understand how significant these risks are. If you're experiencing unusual symptoms or have concerns about your health, consider using a free symptom checker to better understand what might be going on with your body and whether you should speak with a healthcare provider about your sweetener consumption.
(References)
Witkowski M, Nemet I, Alamri H, Wilcox J, Gupta N, Nimer N, et al. (2023). The artificial sweetener erythritol and cardiovascular event .... Nature medicine, 36849732.
Berry AR, Ruzzene ST, Ostrander EI, Wegerson KN, Orozco-Fersiva NC, Stone MF, et al. (2025). The non-nutritive sweetener erythritol adversely affects .... Journal of applied physiology (Bethesda, Md. : 1985), 40459966.
Khafagy R, Paterson AD, & Dash S. (2024). Erythritol as a Potential Causal Contributor to .... Diabetes, 37939167.
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