A study by Public Health France, conducted with INRAE, challenges the idea that products with higher Nutri-Score ratings are systematically more expensive. The analysis, covering nearly 28,000 products between 2020 and 2023, shows that the relationship between nutritional quality and price varies significantly depending on the food category.
The researchers found that no general trend emerged: in some aisles, highly rated products are less expensive, while in others, no significant difference is apparent. For example, yogurts or pasta sauces with a Nutri-Score of A or B are on average less expensive than those rated D or E, while for sliced bread or certain pizzas, there are no price differences.
The study also highlights that branded products without a Nutri-Score are often more expensive. This situation can be explained in particular by the strong presence of private label brands among companies that have adopted nutritional labeling, as these generally offer more affordable prices than national brands.
 Sophie de Duiéry
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20/03/2026 | 
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