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The effects of a dietary fiber on hunger and food intake will be tested in men and women. Participants will receive fiber as part of a breakfast meal on two occasions. On another occasion, participants will receive the same breakfast, without added fiber. Their feelings of hunger and fullness will be measured over the day. They will be offered lunch, dinner and an evening snack and how much they eat will be recorded. It is expected that the fiber supplement will enhance their feelings of satiety and reduce the amount they eat over the day.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Control | Active Comparator | Breakfast without fiber |
|
| Low-dose | Experimental | Low-dose of fiber in breakfast |
|
| High-dose | Experimental | high dose of fiber added to breakfast |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Dietary Fiber | Other | Fiber added to breakfast |
|
| Measure | Description | Time Frame |
|---|---|---|
| Food intake | 24-hour Food intake will be measured 3 times | 24-hr food intake, on three occasions within 3 weeks |
| Measure | Description | Time Frame |
|---|---|---|
| Subjective appetite ratings | Ratings of hunger and fullness will be assessed 18 times | Hourly, over 8 hrs, on 3 days within a 3-week period |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Jason Halford, PhD | University of Liverpool | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Kissileff Laboratory for the Study of Human Ingestive Behavior | Liverpool | L69 7ZA | United Kingdom |
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| ID | Term |
|---|---|
| D009765 | Obesity |
| ID | Term |
|---|---|
| D050177 | Overweight |
| D044343 | Overnutrition |
| D009748 | Nutrition Disorders |
| D009750 | Nutritional and Metabolic Diseases |
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| ID | Term |
|---|---|
| D004043 | Dietary Fiber |
| ID | Term |
|---|---|
| D004040 | Dietary Carbohydrates |
| D002241 | Carbohydrates |
| D005502 | Food |
| D000066888 | Diet, Food, and Nutrition |
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| D001835 |
| Body Weight |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |
| D010829 |
| Physiological Phenomena |
| D019602 | Food and Beverages |