Nutrition labeling
Clinical trials for Nutrition labeling explained in plain language.
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Warning labels and tax on junk food tested in UK supermarket study
Knowledge-focused CompletedThis study tests whether putting warning labels on unhealthy foods and adding a 20% tax changes what people buy. Around 600 UK adults will shop in a simulated online Tesco store. Researchers will compare the nutritional quality of their orders across four groups: labels only, lab…
Matched conditions: NUTRITION LABELING
Sponsor: University of Liverpool • Aim: Knowledge-focused
Last updated Sep 06, 2026 00:00 UTC
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Will warning labels on junk food change what you buy?
Knowledge-focused CompletedThis study tested whether adding a warning label to ultra-processed foods (like sugary yogurts) changes what people say they would buy. Over 7,000 U.S. adults viewed mock food packages online with or without a warning label. Researchers measured purchase intent and how healthy pe…
Matched conditions: NUTRITION LABELING
Sponsor: Johns Hopkins Bloomberg School of Public Health • Aim: Knowledge-focused
Last updated Jun 27, 2026 13:07 UTC