Erythritol vs Invert Sugar: which is worse?
Quick answer: Invert Sugar carries the heavier risk profile. Erythritol is allowed in the EU and allowed in the US; Invert Sugar is allowed in the EU and allowed in the US.
| Property | Erythritol | Invert Sugar |
|---|---|---|
| EU status | Allowed | Allowed |
| US status | Allowed | Allowed |
| Risk level | medium | low |
| Banned in | — | — |
| Restricted in | — | — |
| Category | additive | additive |
| Where it hides | Swerve Sweetener, Truvia, Halo Top Ice Cream | Haribo Gummies, Sara Lee Baked Goods, Smucker's Jam |
What is Erythritol?
Erythritol is a four-carbon sugar alcohol naturally occurring in small amounts in fruits, fermented foods, and mushrooms. Commercially produced via fermentation of glucose by yeasts such as Moniliella pollinis, it has approximately 70% of sucrose's sweetness, provides 0.24 kcal/g, and has a glycemic index of 0. It is nearly completely absorbed in the small intestine and excreted unchanged in urine, which explains its unusually low laxative effect compared to other polyols.
What is Invert Sugar?
Invert sugar is a mixture of equal parts glucose and fructose produced by the acid or enzymatic hydrolysis of sucrose. It is sweeter than table sugar by about 25% and has enhanced moisture-retaining properties. Bees naturally produce invert sugar in honey through the enzyme invertase.
Documented risks
Erythritol: A 2023 observational study published in Nature Medicine (Hazen et al., Cleveland Clinic) found that elevated blood erythritol levels were associated with increased risk of major adverse cardiovascular events (MACE), including heart attack and stroke. Additionally, erythritol was found to enhance platelet aggregation in vitro. This study was widely reported and has generated significant scientific debate; critics note that it was observational (not causational), and that the study population had pre-existing cardiovascular risk factors. Regulatory agencies have not changed their approval status. The long-term cardiovascular implications require further research.
Invert Sugar: Invert sugar poses the same metabolic risks as other added sugars. The free fructose component is metabolized directly in the liver, and excessive fructose consumption has been linked to non-alcoholic fatty liver disease, increased triglycerides, and insulin resistance, as documented in multiple reviews including a 2013 paper in Current Opinion in Lipidology. At moderate consumption, it is not specifically more harmful than sucrose. Regulatory agencies worldwide permit its use without restriction.
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