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Eggs unlock spinach's vitamin e power, study finds

NCT ID NCT04287816

Knowledge-focused Sponsor: Ohio State University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looked at whether eating eggs with spinach helps the body absorb more vitamin E, a nutrient many people don't get enough of. Eight healthy adults ate specially labeled spinach alone or with eggs. Researchers measured how much vitamin E got into their blood. The goal was to see if eggs can boost vitamin E absorption from plant foods.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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

8 people

The number who actually took part.

Started

Jun 2021

Finished

Jul 2024

Lead sponsor

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

18 to 65 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show 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: * Body Mass Index (BMI) = 19-25 kg/m2 * Normolipidemic (total cholesterol \<240 mg/dL; triglyceride \<150 mg/dL) * Fasting glucose \<100 mg/dL * Normal hematocrit level (41%-50% for men and 36%-48% for women) * Normal hemoglobin level (13.5-17.5 g/dL for men and 12.0-15.5 g/dL for women) * No use of dietary supplements for \>1 month * No use of medications that affect lipid or glucose metabolism * Non-smoker * No history of gastrointestinal disorders Exclusion Criteria: * Egg allergy * Alcohol intake \> 2 drinks per day * Aerobic activity \>7 h/wk * Body mass change \>2 kg in the past 1 month * Women who are pregnant, lactating, or initiated or changed birth control in the past 3 month * Vegetarian

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As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Nutritional requirements

Contacts and locations

Locations

  • Ohio State University

    Columbus, Ohio, 43210, United States