"Food noise" is a phrase patients invented and researchers are now trying to pin down: persistent, unwanted thoughts about food that keep running in the background. It spread through social media as people on GLP-1 drugs described it going quiet. Since 2023 it has acquired a formal definition, two questionnaires and a first national prevalence estimate — but on the question most people search for, whether GLP-1 drugs reduce it, the published evidence is still a single sponsor-funded survey.
This page sets out what exists, each part a document, read on 14 October 2026. It is not a guide to managing food thoughts, and it makes no promise about any drug.
Where the term comes from, and the definition
The phrase began outside medicine. The first paper in PubMed to discuss it as a concept, a narrative review in Nutrients (November 2023), describes "anecdotal reports from patients and clinicians" of "less rumination and obsessive preoccupation about food" on semaglutide, and proposes reading food noise through an older research idea, food cue reactivity — how strongly a person responds to the sight, smell or thought of food.
In July 2025 a group led by Emily Dhurandhar and David Allison published a formal definition in Nutrition & Diabetes:
"persistent thoughts about food that are perceived by the individual as being unwanted and/or dysphoric and may cause harm to the individual, including social, mental, or physical problems."
The paper separates food noise from ordinary food-related thinking by "its intensity and intrusiveness, resembling rumination". Two consequences follow. It is not a diagnosis — it does not appear in any diagnostic manual, and the definition is explicitly a research one. And it is defined by how the thoughts feel to the person, so it can only be measured by asking them.
How it is measured
| Instrument | Built by | What is published |
|---|---|---|
| Food Noise Questionnaire (FNQ) | Pennington Biomedical Research Center and partners (Obesity, February 2025) | 5 items, scored to a maximum of 20. Validated in 396 adults: internal consistency 0.93, test-retest 0.79 over about a week; correlated strongly with preoccupation-with-food scales (all r > 0.78) and weakly with mood, anxiety and stress scales (all r < 0.39). The authors note its clinical usefulness is not yet established. An Italian version was published in April 2026. |
| RAID-FN Inventory (Ro Allison Indiana Dhurandhar Food Noise Inventory) | The group behind the 2025 definition (Appetite, February 2026) | A multistep validation; a Hindi and English version is registered for validation in India (NCT07762430). |
The FNQ's design matters for reading any result built on it: the items were chosen to measure preoccupation with food, which is why it tracks those scales and not mood. A falling FNQ score means fewer intrusive food thoughts reported — not, by itself, eating less or losing weight.
The record, counted
Because the term is new, the whole literature can be counted. glp1ledger's searches on 14 October 2026:
- PubMed, "food noise" in title or abstract: 39 records. One, from 1988, is unrelated (a ward survey listing food and noise separately). Of the remaining 38, the earliest is November 2023; more than half are dated 2026. Most are reviews, commentaries, definitions and questionnaire papers.
- ClinicalTrials.gov, "food noise" anywhere in the record: 27 studies. Most are not about food noise as such — they include it among secondary measures. That includes six phase 3 trials of new obesity drugs — three of Kailera's ribupatide and three from Pfizer and several university studies of eating behaviour on GLP-1 drugs. Two are questionnaire-validation studies, and one Novo Nordisk observational study of semaglutide in six emerging markets lists change in FNQ score as a primary outcome (completed, no results posted).
The search is reproducible: the same phrases at pubmed.ncbi.nlm.nih.gov and clinicaltrials.gov. Counts will rise; the date is part of the figure.
How common it is
The first nationally representative estimate was published in September 2026 (Obesity Science & Practice; survey of 1,000 US adults, May 2026, a single question):
| Group | Report food noise frequently |
|---|---|
| All adults | 18.0% |
| Women / men | 22.7% / 12.7% |
| People reporting loss of control over eating | 56.8% |
| Current GLP-1 users | 25.8% |
| Former GLP-1 users | 26.8% |
| People who have never used a GLP-1 drug | 16.3% |
About half (50.9%) reported it at least occasionally. In the authors' adjusted model, loss of control over eating was the strongest predictor (odds ratio 5.95). The GLP-1 row cuts against the popular story — current users reported more frequent food noise than non-users — but a one-time survey cannot say why: people with more food noise may be more likely to seek treatment in the first place.
What GLP-1 research has measured
One published figure. The INFORM survey asked 550 US adults using injectable semaglutide for weight management to complete the FNQ twice — once as they recalled feeling before treatment, once for now. Median score: 13 of 20 before, 6 after; the share agreeing with food-noise statements fell from 47-63% to 15-20% (Advances in Therapy, 2026). Three limits are stated by the design itself: the "before" score is recalled, not measured; there is no comparison group; and the study was funded by Novo Nordisk, semaglutide's maker, with four Novo employees among its authors and the survey firm paid by Novo.
What the trials measured instead. The large weight-loss trials of semaglutide and tirzepatide reported weight, not food noise; the term did not exist as a measure when they were designed. Laboratory studies of appetite, cravings and brain responses to food pictures on GLP-1 drugs exist and are summarised in the reviews above, but they used older measures of hunger, craving and reward. The mechanism those studies point to — slower stomach emptying and GLP-1 signalling in brain areas tied to appetite and reward — is described on how GLP-1 drugs work, and the overlap with alcohol and other rewards on GLP-1 drugs and alcohol. Whether the same quieting reaches pleasures beyond food is the question behind "Ozempic personality".
What is coming. Registered studies now include food noise as an outcome: phase 3 trials of new obesity drugs, a University of Texas at Dallas study of tirzepatide discontinuation and restarting (NCT07387796), a Penn State study of food-cue reactivity on GLP-1 drugs (NCT07505134) and a University College Dublin study of eating behaviour before, during and after obesity medication (NCT07636395). None had posted results by 14 October 2026.
What is anecdote
Much of what is written about food noise — including the claim that GLP-1 drugs "switch it off" — comes from patient accounts, clinic blogs and social video. A 2026 content analysis of TikTok videos on food noise (Nutrition & Diabetes) catalogued exactly this genre. These accounts are real experiences and are why researchers took the term up; they are not measurements, and they come disproportionately from people for whom treatment worked.
What is not established
- Whether any drug reduces food noise, measured prospectively against placebo.
- Whether food noise returns after stopping — see stopping GLP-1 drugs for what is known about appetite and weight.
- Whether lower food noise predicts better weight outcomes.
- How it relates to eating disorders. Several 2026 papers raise the overlap; persistent, distressing preoccupation with food warrants a clinician's assessment rather than a label from a questionnaire.
For the experience reports people describe on semaglutide in general, see our semaglutide review; for the established benefits and their evidence, GLP-1 benefits.
Sources
- Dhurandhar EJ et al. "Food noise: definition, measurement, and future research directions." Nutr Diabetes 2025;15:30, PubMed 40628707, doi 10.1038/s41387-025-00382-x.
- Hayashi D et al. "What Is Food Noise? A Conceptual Model of Food Cue Reactivity." Nutrients 2023;15:4809, PubMed 38004203.
- Diktas HE et al. "Development and validation of the Food Noise Questionnaire." Obesity 2025;33:289-297, PubMed 39828656.
- Dhurandhar EJ et al. "Development and rigorous multistep validation of a psychometric tool to measure food noise." Appetite 2026;217:108339, PubMed 41101555.
- Hayashi D, Masterson TD. "Prevalence and Correlates of Perceived Food Noise Among U.S. Adults in a Nationally Representative Sample." Obes Sci Pract 2026;12:e70201, PubMed 42801078.
- Arnaut T et al. "Retrospective Assessment of Food Noise Changes After Initiation of Injectable Semaglutide for Weight Management in the USA: The INFORM Survey." Adv Ther 2026;43:3649-3659, PubMed 42217114. Authors' disclosures: four Novo Nordisk employees; Numerator paid by Novo Nordisk.
- PubMed search
"food noise"[tiab](39 records) and ClinicalTrials.gov search "food noise" (27 studies), both run 2026-10-14; registry records NCT07850765, NCT07762430, NCT06315907, NCT07387796, NCT07505134, NCT07636395.