Tray labels aim to slash carbon and calories in university cafeteria

NCT ID NCT07531524

Not yet recruiting Knowledge-focused Sponsor: Lina Zhang Source: ClinicalTrials.gov ↗

First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests whether putting carbon footprint and calorie labels on cafeteria trays can nudge university students toward healthier, low-carbon food choices. About 200 students will be randomly assigned to see the labels or not, and researchers will track what they pick over several weeks. The goal is to see if simple visual cues can make a difference in real-world eating habits.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: Carbon and calorie labels on serving trays
What this could lead to: If it works, this could point toward a simple, low-cost way to encourage healthier and more environmentally friendly eating habits in cafeterias.
What could go wrong: This is a small, early-stage study in one university setting. Results may not apply to other groups or real-world situations, and labels might not change behavior long-term.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

Feeding Behavior

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

DIETARY BEHAVIOR EATING BEHAVIOR

Contacts and locations

Locations

Zhejiang Chinese Medicine University

Hangzhou, Zhejiang, 310000, China

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