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A German–Israeli eye-tracking study found that both the design and familiarity of front-of-package nutrition labels shape what consumers notice and how they interpret food products. Participants in both countries found Israel's warning-label system easier to understand and more helpful for making healthy choices than Nutri-Score, offering timely evidence as Europe and the United States reconsider how nutrition information should appear on packaged foods.

Shoppers walking through supermarkets in Germany and Israel encounter two very different approaches to nutrition labeling.

Germany uses Nutri-Score, which summarizes a food's nutritional profile on a five-level scale from a green A to a red E. Israel instead requires red warning labels on foods high in sugar, sodium or saturated fat, alongside a voluntary green label for certain healthier foods.

A new study led by Dr. Gerrit Hummel and professor Nanette Stroebele-Benschop of the University of Hohenheim, and professor Eyal Ert and professor Aron M. Troen of the Hebrew University of Jerusalem directly compared the two systems using eye-tracking technology, measuring not only what consumers said about the labels, but what they actually looked at and how healthy they perceived the products to be.

Published in Frontiers in Nutrition , the study included 223 participants, 112 in Germany and 111 in Israel. Participants viewed food packages displaying either Nutri-Score or Israeli warning and green labels while researchers tracked their eye movements.

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