- Conditions
- Food Selection
- Interventions
- Control (QR) Labels, Warning High Climate Impact Labels, Traffic Light Labels, Climate Grade Labels, Numeric Carbon Footprint Labels
- Behavioral
- Lead sponsor
- Johns Hopkins Bloomberg School of Public Health
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 6,622 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 5, 2026 · Synced May 22, 2026, 1:11 AM EDT