Could a meal kit delivery fight depression?
NCT ID NCT06242665
First seen Jul 20, 2026 · Last updated Jul 21, 2026 · Updated 1 time
Summary
This study explores whether eating fewer ultra-processed foods (like packaged snacks and fast food) can help lift mood in people with moderate-to-severe depression. Participants either receive meal kits with minimally processed foods or get nutritional guidance only. The study also looks at how blood sugar swings and sleep quality may link diet to depression.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- low ultra-processed food meals and snacks provided via delivery, plus nutritional guidance
- What this could lead to
- If successful, this could point toward a simple, accessible dietary approach to help manage depression symptoms.
- What could go wrong
- This is a small, early-stage study with only 47 participants, so results may not apply broadly. Dietary changes can be hard to maintain, and the effect on depression may be modest.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
-
Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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47 people
The number who actually took part.
- Started
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Dec 2023
- Finished
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Jan 2025
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * 18+ years of age * Must own an Android or iPhone smartphone * Must be able to access phone one every 90 minutes * Able to attend consent call over zoom or phone * Endorsement of a PHQ-8 score of at least 10 assessed at consent * Endorsement of a PHQ-8 score of at least 8 assessed 24 hours prior to Visit 1 * Endorse daily intake of at least UPF foods * Willing to come to three in-lab visits * Willing to follow dietary guidelines * Must be able to speak, write, and read English fluently Exclusion Criteria: * Regular smoking of cigarettes or vaping of nicotine * History of medication that impact reward, eating, or indicate severe mental health conditions (e.g., Lithium) * The following medical conditions; Diabetes Type I, Diabetes Type II, Prediabetes, Bipolar Disorder, Schizophrenia, Psychotic Disorder, Depression with psychotic symptoms, Borderline Personality Disorder, Hypoglycemia, Substance use disorder (e.g., alcohol use disorder, opioid use disorder, cannabis use disorder), Obsessive compulsive disorder, and Post-traumatic stress disorder * Endorsement of a suicide attempt or having been hospitalized for psychiatric reasons in the last year * A diagnosis of a restrictive eating disorder (anorexia nervosa, bulimia nervosa, purging disorder) within the last 5 years * History of disorders that impact eating (e.g., cancer, irritable bowel syndrome, inflammatory bowel disease, hypothyroidism). * Current pregnancy, breast-feeding, trying to get pregnant, or within six months of having given birth * Frequent (i.e., weekly) night shift work or irregular shifts and for abnormal sleep patterns (i.e., wake up time after 11am)
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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
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University of Michigan
Ann Arbor, Michigan, 48109, United States
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