French Study Links Preservatives to Heart Disease
Analysis based on 7 articles · First reported May 20, 2026 · Last updated May 21, 2026
The study's findings could lead to increased scrutiny and potential regulation of food preservatives, impacting the food and beverage industry's product formulations and supply chains. Companies using the identified preservatives may face negative consumer sentiment and pressure to reformulate, potentially affecting their stock prices and market share.
A new study from France, led by Mathilde Touvier and Anaïs Hasenböhler, and published in the European Heart Journal, has linked common food preservatives to increased risks of high blood pressure, heart attacks, and stroke. The NutriNet-Santé study, which tracked over 112,000 people in France, found that both 'non-antioxidant' preservatives like potassium sorbate, potassium metabisulphite, and sodium nitrite, and 'natural' antioxidant preservatives such as ascorbic acid (vitamin C) and citric acid, were associated with higher cardiovascular risks. The research suggests that these additives, ubiquitous in store-bought and ultraprocessed foods, may contribute to health issues beyond the known effects of high sugar, salt, and fat content. Experts like Tracy Parker and Rachel Richardson acknowledge the study's significance, while Gunter Kuhnle highlights the role of preservatives in food safety and shelf life. The findings call for a re-evaluation of regulations governing food additives.
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