Grocery labels could slash your carbon footprint and boost health
NCT ID NCT06648226
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This Stanford study tested whether showing health or climate labels on grocery products, along with swap suggestions, helps people pick healthier and lower-carbon foods. Over 1,200 adults completed online shopping tasks and surveys. The goal was to see if simple labels can guide better choices without forcing anyone to change their habits.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- health and climate labels with swap recommendations
- What this could lead to
- If successful, this could show that simple labels and swap suggestions in online grocery stores help people make healthier and more eco-friendly food choices.
- What could go wrong
- This is a completed behavioral study, not a treatment trial. Results may not apply to real-world shopping or lead to lasting behavior change.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
-
Stanford School of Medicine
Palo Alto, California, 94304, United States
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