How ending emergency SNAP benefits changed supermarket food purchases

Impact of the expiration of emergency SNAP benefits on the healthfulness of supermarket food purchases

NIH-funded research Harvard Pilgrim Health Care, INC. · NIH-11121100

This project looks at grocery purchases before and after emergency SNAP payments ended to understand how people on SNAP changed what they buy.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionHarvard Pilgrim Health Care, INC. NIH-funded
Lab location1 site (Canton, UNITED STATES)
Project IDNIH-11121100 on NIH RePORTER

What this research studies

From a participant's point of view, researchers will compare household supermarket purchase records from before and after the emergency SNAP allotments ended to see changes in the healthfulness of foods bought. They will combine that large-scale 'natural experiment' with interviews of SNAP households to learn how people made choices when benefits dropped. The team will analyze differences by household traits like rural versus urban location and financial stability and will consider local economic and retail factors. Results will highlight which groups were most affected and why, using both data and real household experiences.

Who could benefit from this research

Good fit: Ideal participants are U.S. households that currently or recently received SNAP benefits and did grocery shopping at supermarkets during the benefit change.

Not a fit: People who never used SNAP or whose food buying was not affected by the end of emergency allotments are unlikely to receive direct benefit from participating.

Why it matters

Potential benefit: If successful, the findings could inform policies or programs to help keep healthy foods affordable for low-income households and reduce diet-related chronic disease.

How similar studies have performed: Prior research shows extra SNAP dollars can improve food security and healthier purchases, but the nationwide end of emergency allotments is a new large-scale policy change that has not been previously studied.

Where this research is happening

Canton, UNITED STATES

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Conditions Chronic Disease
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.