Understanding How Food Variety and Energy Density Affect Eating

This study is looking at how the variety of foods you eat and their "energy density" (how many calories are in a certain amount of food) affect how much you eat. Researchers will compare meals with only one food (Low Variety) versus three foods (High Variety), and meals with foods that are low in calories (Low ED) versus high in calories (High ED). The goal is to see how these factors, alone or combined, change your food and energy intake over four weeks. You might be able to join if you are between 20 and 60 years old, eat three meals a day, like the study foods, and have a BMI between 18.5 and 29. The study is currently unclear on its recruitment status and plans to enroll 50 participants.

Study design
This interventional study plans to include 50 participants. It will examine the effects of different food varieties and energy densities on eating habits.
What's involved
You would need to regularly consume three meals per day, be willing to eat the study foods, and avoid alcohol the day before study visits. You would also need to eat a consistent breakfast on study visit days.
Compensation
Not stated in the trial record.
Follow-up
Your food and energy intake will be measured at Weeks 1, 2, 3, and 4.

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NCT07663214

The Combined Effects of Energy Density and Variety on Intake

Not Yet Recruiting
NAAges 20–60InterventionalBasic science
Cornell University
~50 participants
Updated 2026-06-23 on ClinicalTrials.gov
What's tested:Low VarietyHigh VarietyLow EDHigh ED

At a glance

Recruiting sites
0 of 1 listed site is recruiting right now
RecruitingSuspended, closed, or not yet open
What they're measuring
Change in food intake
Measured over Weeks 1, 2, 3, 4
+1 more outcome measured
Eating Behaviors
1 sites across 1 states
New York1
  • Paige M Cunningham, PhD · PRINCIPAL_INVESTIGATOR · Cornell University

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Eligibility criteria

Inclusion

Regularly consume 3 meals per day
Like, are willing to eat, and do not have allergies to the study foods
Are willing to refrain from drinking alcohol the day before study visits
Are willing to consume a consistent breakfast the day of study visits
Have a BMI between 18.5-29.9 kg/m2

Exclusion

Experienced a weight change \>5 kg in the past month
Are a smoker
Are an athlete in training
Take medications or have a health condition known to affect appetite
Are pregnant or breastfeeding
Have ever been diagnosed with an eating disorder or depression
Specialize in the fields of psychology or nutritional sciences.
  • Change in food intakeWeeks 1, 2, 3, 4

    Weight (grams) of the food consumed

  • Change in energy intakeWeeks 1, 2, 3, 4

    Energy (kcal) of the food consumed