Eggs vs. dairy: new study tests which boosts choline best for women over 50
NCT ID NCT06902480
First seen Jun 27, 2026 · Last updated Aug 28, 2026 · Updated 4 times
Summary
This study looks at how well the body uses choline from a new dairy ingredient compared to eggs in women aged 51-70 who have gone through menopause. Participants will drink a chocolate-flavored drink with either the dairy ingredient or whole egg powder. The goal is to see if dairy can be a good source of choline, an important nutrient.
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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 24 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Sep 2026
An estimate. Start dates often move.
- Expected to finish
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Dec 2027
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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51 to 70 years
- Sex
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Female participants only
- 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: * Ages between 51 and 70 * Is currently post-menopausal (Post-menopausal is a term used to describe the time in a woman's life after she has gone through menopause. This usually happens between the ages of 45 and 55. Menopause is when a woman's menstrual periods stop permanently (at least 12 months)) * Not allergic to the intervention foods and allergens that are related to the production of intervention foods (e.g. dairy products, egg, fish, peanut, shellfish, soy, tree nuts, wheat, crustaceans, gluten, mollusks, mustard, sesame seeds.) * Had stable body weight (± 5%) for the past 6 months * Free from cancer * Did not have weight loss surgery, colon surgery * Do not have chronic kidney diseases * Do not have malabsorption towards fat and dairy products * Willing to complete health surveys * Willing to complete two 4-day food diaries * Willing to consume the intervention smoothies * Willing to provide blood, urine, fecal samples at baseline and after 10 days of intervention Exclusion Criteria: * On weight loss/weight gain diets * Diagnosed with fat malabsorption * Undergoing weight loss surgery * Diagnosed with chronic kidney diseases * Allergic to the intervention foods and allergens that are related to the production of intervention foods (e.g. dairy products, egg, chocolate, fish, peanut, shellfish, soy, tree nuts, wheat, crustaceans, gluten, mollusks, mustard, sesame seeds, banana, strawberry, raspberry, blackberry, blueberry.) * Regularly using antibiotics or probiotics or prebiotics * Regularly using weight-loss drugs (GLP-1, Orlistat, Cetilistat, etc.) * Regularly using laxatives * Unable to avoid strenuous exercise during the study (\>4 h vigorous exercise per day)
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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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
Locations
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University of Wisconsin - Madison
Madison, Wisconsin, 53705, United States
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