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Participants will be randomized into two groups, one group will be the control (no intervention at all) and the other will be CHO-PRO (meal replacement, Generation UCAN supplement, 400ml, 20% solution). Prior to the start of the experiment, all participants will be asked to record their satiety ratings, appetite and desire to eat (10-point visual analogue scale) 30, 60 and 120 minutes after their regular dinner for 3 days. On the first day of the experiment, all participants will be asked to measure their waist and hip circumferences, fasting blood glucose level, maximal number of pushups and body weight using a scale at home prior to breakfast. Instructions on how to do the measurements properly will be recorded in a video and distributed to the participants. Participants in the control group will not receive any intervention. Participants in the CHO-PRO group will be provided with the supplement and they will be asked to consume the CHO - protein supplement (Generation UCAN supplement, 250ml, 10% solution) 6 to 7 hours after lunch, in place of their dinner for 6 weeks. They will also be asked to record their satiety ratings, appetite and desire to eat (10-point visual analogue scale) 30, 60 and 120 minutes after each meal replacement drink. All participants will be required to complete a dietary record, prior to, and during (at weeks 2 and 4) intervention. To track adherence of the CHO-PRO group, participants will be asked to check off the calendar that they did not consume the meal replacement due to various reasons. On day 43, all participants will be asked measure again waist and hip circumferences, fasting blood glucose level, maximal number of pushups and body weight using a scale at home prior to breakfast again.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| control | Experimental | no supplement will be provided on the day of the experiment |
|
| Generation UCAN | Experimental | carbohydrates - protein (Generation UCAN supplement, 400ml, 20% solution) |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| satiety | Behavioral | satiety ratings, appetite and desire to eat (10-point visual analogue scale) will be measured at 30, 60 and 120 minutes after each meal replacement drink |
|
| Measure | Description | Time Frame |
|---|---|---|
| changes in body weight | body weight will be measured using a scale at home prior to breakfast | 1 day prior to the start of the experiment and on the 31st day of the experiment |
| Measure | Description | Time Frame |
|---|---|---|
| changes in waist and hip circumferences | waist and hip circumferences will be measured using a measuring tape at home prior to breakfast | 1 day prior to the start of the experiment and on the 31st day of the experiment |
| changes in fasted blood glucose |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Crystal Lee, BSc | Contact | 519 6612111 | plee263@uwo.ca | |
| Manuel Manuel, MSc | Contact | 519 6612111 | mquinon2@uwo.ca |
| Name | Affiliation | Role |
|---|---|---|
| Peter Lemon, PhD | Western University | Principal Investigator |
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| ID | Term |
|---|---|
| D015431 | Weight Loss |
| ID | Term |
|---|---|
| D001836 | Body Weight Changes |
| D001835 | Body Weight |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |
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| Dietary Supplement: Generation UCAN supplementation | Dietary Supplement | meal replacement, Generation UCAN supplement, 400ml, 20% solution |
|
blood glucose will be measured through finger pricks |
| 1 day prior to the start of the experiment and on the 31st day of the experiment |
| changes in appetite ratings | appetite ratings will be asked with the use a 10 point visual analog scale (VAS), 10 being strong desire to consume food and 1 being no desire to consume food at all | 30, 60 and 120 minutes after each meal replacement drink |
| changes in desire to eat ratings | desire to eat ratings will be asked with the use a 10 point visual analog scale (VAS), 10 being no desire to eat at all and 1 being strong desire to eat | 30, 60 and 120 minutes after each meal replacement drink |