How does erythritol affect blood clotting?

Reviewed by Yoshinori Abe, MD

Internal Medicine

Erythritol is a popular sugar substitute found in many low-carb and keto foods, but recent studies suggest it may be linked to a higher risk of blood clots, heart attack, and stroke. Researchers found that elevated erythritol levels in the blood can make platelets more likely to clot, potentially raising cardiovascular risk in susceptible individuals.

If you've been consuming erythritol regularly and are experiencing symptoms like chest pain, shortness of breath, leg swelling, or unusual fatigue, don't guess—get clarity. Take a free, instant, online symptom check to better understand what your body may be telling you and identify the right next steps, whether that's a lifestyle change or a conversation with your doctor.

Reviewed for medical accuracy: 07/15/2026

Important Next Steps

Learn if erythritol affects blood clot risk Discover likely causes of clotting concerns See if symptoms need urgent evaluation Find OTC options for clot-related symptoms Find a doctor for clotting concerns Explore medically valid home remedies Understand if this could be a blood clot

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Explanation

Erythritol is a type of sugar substitute often used in foods and drinks. Some recent studies have looked at how it might affect our bodies, especially the heart and blood vessels.

Blood Clotting:

A study found that erythritol might increase the risk of developing blood clots. This can be a concern because blood clots can lead to heart attacks or strokes.

Heart Health:

Other research suggests that high levels of erythritol in the blood could be a sign of issues with metabolism, which is how our bodies use energy.
This might mean that people with more erythritol in their bodies could have more heart problems.

Research in Animals:

Some studies done on animals, like zebrafish, help scientists understand how erythritol works, but more research is needed to know exactly what it does in humans.

In summary, while erythritol is a popular sweetener, these studies suggest it might have effects on blood clotting and heart health. If you're experiencing any concerning symptoms related to your heart health or overall well-being, you can check your symptoms with a free AI-powered assessment and talk to a healthcare provider about your concerns regarding erythritol use.

(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.
Mazi TA, & Stanhope KL. (2023). Elevated Erythritol: A Marker of Metabolic Dysregulation or .... Nutrients, 37764794.
Bao Y, Li B, Zhao C, Man X, Zhang S, Zhang J, et al. (2025). Deep learning to assess erythritol in zebrafish .... NPJ science of food, 40640190.

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