Healthy
Conditions
Brief summary
This is a digital clinical trial to investigate satiety and consumer preference in responses to three test breakfast bars with varying level of dietary fiber, beta-glucan, and product packages (with or without product claims) in healthy adults.
Interventions
Breakfast bars made with varying levels of total dietary fiber and beta-glucan, with or without claims on package image
Sponsors
Study design
Eligibility
Inclusion criteria
* Healthy adults 18-70 years. * Habitual snack bar consumers (consume bars at least 3 times a week). * Body mass index 20-29.9 kg/m² (based on self-reported weight and height). * Understand the study procedures. * Willing to maintain habitual diet, physical activity pattern, and body weight throughout the trial. * Willing to follow study procedures on test days. * Willing to abstain from strenuous exercise, consuming alcoholic drinks 24 hours before the test day. * Willing to provide informed consent to participate in the study. * Willing to maintain confidentiality of the study and test products.
Exclusion criteria
* Pregnant or lactating women, or women who are planning to become pregnant during the study * Known food allergies, sensitivity, or intolerance to any food or food ingredients * Participating in another clinical trial for food, investigational drug, nutritional supplement, or lifestyle modification * Taking medications that affect appetite, metabolism, or blood pressure * Taking supplements with dietary fiber * Presence of acute diseases or infection * Presence or history of chronic diseases * Diagnosed with eating disorders * Restraint eaters * Lost or gained 5 pounds or more in the past 3 months
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Hunger | 30 minutes after consumption | Hunger as measured by visual analog scales in mm using appetite questionnaires |
| Fullness | 30 minutes after consumption | Fullness as measured by visual analog scales in mm using appetite questionnaires |
| Desire to eat | 30 minutes after test meal consumption | Desire to eat as measured by visual analog scales in mm using appetite questionnaires |
| Prospective consumption | 30 minutes after test meal consumption | Prospective consumption as measured by visual analog scales in mm using appetite questionnaires |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Flavor rating | 30 minutes after test meal consumption | Subjective ratings on liking of the product flavor using Likert scales |
| Purchase intent | 180 minutes after test meal consumption | Likelihood of buying the product using Likert scales |
| Sweetness rating | 30 minutes after test meal consumption | Subjective ratings on sweetness of the product using Likert scales |
| Texture rating | 30 minutes after test meal consumption | Subjective ratings on liking of the product texture using Likert scales |
| Overall product liking | 30 minutes after test meal consumption | Subjective ratings on overall liking of the product using Likert scales |
Countries
United States