Warning labels on restaurant menus steer diners from sweets, UC Davis research suggests
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Updates every hour. Last Updated: 20-Jun-2026 12:15 ET (20-Jun-2026 16:15 GMT/UTC)
As California lawmakers consider legislation that would require “high sugar” warning labels on restaurant menus, a University of California, Davis, study shows that the labels are effective in dissuading diners from ordering sugary items.
Researchers tested menus with added-sugar warning labels against unlabeled menus in an online study with more than 10,000 people nationwide during six weeks in 2024-25. Compared to no label, diners ordered on average more than 10 grams less added sugar when they saw triangle icon containing a spoon and exclamation point with explanatory text. Additionally, a noticeable, easy-to-see, icon-only label also caused people in the study to reduce the added sugar in meals they ordered by almost 7 grams.
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