Milk showdown: whole vs. Low-Fat in toddlers – which prevents obesity?
NCT ID NCT06230510
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at whether whole or low-fat (1%) milk is better for preventing obesity in toddlers. Researchers will give 625 children either whole or low-fat milk for one year and measure changes in waist size and body mass index. The goal is to find out which milk type supports healthy growth without leading to excess weight gain.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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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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About 625 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Aug 2024
- Expected to finish
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Jun 2028
An estimate. End dates often move.
- 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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23 to 48 months
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
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: Parents of children: 1) willing to be randomized to provide either only whole or 1% milk to their child for 1 year, 2) access to a smart phone and a tablet, laptop or computer with internet and email at home, 3) ability to speak and read English or Spanish for the purposes of receiving study communications and completing surveys and dietary assessments (to avoid needing to translate all study materials and have research staff fluent in other languages due to budget limits), 4) not planning to move outside of the San Francisco Bay Area or discontinue being child's primary caregiver for the next year (e.g., foster care, parent separation). Exclusion Criteria: Children: 1) \<23 months or \>48 months old at recruitment; 2) condition or medication that affects growth or daily feeding, or cardiometabolic health such as hypopituitarism, growth hormone deficiency, inborn error of metabolism, syndromic obesity, familial hypercholesterolemia, 3) weight-for-length or height below the 2nd percentile, 4) lactose intolerance, milk allergy or other dietary restrictions (e.g., vegan) that impact ability to consume dairy or otherwise limit dietary intake, 5) resides in more than one household (e.g., shared care by separated parents), and 6) not covered by public or private medical insurance (may reduce well-child doctor visits). If two eligible children are in a household, one will be randomly selected to participate.
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Genom att skicka in godkänner du våra Användarvillkor
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.
How to take part
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The study's own enquiry address
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The places running it
1 site. The list below names each one and where it is.
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The official record
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A doctor treating you
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Contacts and locations
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Genom att skicka in godkänner du våra Användarvillkor
Locations
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Nutrition Policy Institute, University of California Agriculture and Natural Resources
RECRUITINGOakland, California, 94607, United States
Contact Email: •••••@•••••
Contact Email: •••••@•••••
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