How does erythritol affect blood vessel function?

Reviewed by Yoshinori Abe, MD

Internal Medicine

Erythritol is a popular sugar substitute, but its effects on blood vessel health are debated. Some studies suggest erythritol may damage blood vessels by increasing the risk of clotting, inflammation, and cardiovascular events like heart attack or stroke. Other research indicates it has little to no significant impact on vascular function, especially at typical dietary levels.

Because the evidence is mixed, symptoms like unexplained fatigue, chest discomfort, headaches, or circulation issues shouldn't be brushed off—particularly if you regularly consume sugar substitutes. Understanding your body's signals early can help you take the right next step, whether that's adjusting your diet or speaking with a doctor. Take a free, instant, online symptom check to get personalized insights into what your symptoms may mean and how to navigate care confidently.

Reviewed for medical accuracy: 07/15/2026

Important Next Steps

Learn if erythritol affects blood vessel function Discover likely causes of blood vessel issues See if symptoms suggest vascular problems Find OTC relief for circulation concerns Find a specialist for vascular concerns Understand home remedies for circulation health Check if blood vessel symptoms need care

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Explanation

Erythritol is a sweetener often used in foods for people who want to reduce their sugar intake. According to recent studies, its effects on blood vessels can vary. One study from 2023 suggests that erythritol might be linked to harmful cardiovascular events, which means it could possibly affect blood vessels negatively. However, another study from 2014 found that erythritol did not significantly change the function of blood vessels in patients.

Key Points

Potential Negative Effects: The 2023 study raises concerns about erythritol and its possible connection to cardiovascular events, suggesting it might harm blood vessels.
Neutral Findings: Conversely, the 2014 study did not find significant changes in blood vessel function, indicating that erythritol might not have a strong effect in some cases.

In conclusion, while some research suggests erythritol might negatively affect blood vessels, other studies have not found significant issues. If you're experiencing symptoms related to your cardiovascular health or have concerns about how sweeteners might be affecting you, use our free symptom checker to better understand what might be going on. More research is needed to fully understand its impact on blood vessel health.

(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.
Flint N, Hamburg NM, Holbrook M, Dorsey PG, LeLeiko RM, Berger A, et al. (2014). Effects of erythritol on endothelial function in patients with .... Acta diabetologica, 24366423.
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.

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