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| Name | Class |
|---|---|
| Nlumn LLC | INDUSTRY |
| Alethios, Inc. | INDUSTRY |
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This study will evaluate post-beverage subjective caffeine responses and physiological responses to caffeinated beverage variations in generally healthy adults.
This will evaluate post-beverage subjective caffeine responses using visual analog scale questionnaires, mood, quality of life, and physiological responses to ingredient variations in caffeine beverages.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Caffeinated, low sugar beverage | Active Comparator |
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| Caffeinated beverage | Active Comparator |
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| Control beverage | Placebo Comparator |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Caffeinated, low sugar beverage | Other | Participants will consume a caffeinated beverage with variations in sweetener and caffeine content. |
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| Measure | Description | Time Frame |
|---|---|---|
| Subjective caffeine visual analog scales | Participants will rate how they feel on a horizontal line. Lines will be flanked with perceived feelings. Scores range from 0-100, where a higher score indicates increase in that feeling. | Day 5 |
| Measure | Description | Time Frame |
|---|---|---|
| Subjective caffeine visual analog scales | Participants will rate how they feel on a horizontal line. Lines will be flanked with perceived feelings. Scores range from 0-100, where a higher score indicates increase in that feeling. | Up to 5 hours after beverage consumption |
| Subjective quality of life ratings |
| Measure | Description | Time Frame |
|---|---|---|
| Physiological responses - Heart rate | Data collected by wearables | Up to 5 hours post-beverage consumption and after 5 days of daily beverage consumption |
| Subjective beverage experience ratings | Participants will rate how they feel on a horizontal line. Lines will be flanked with perceived feelings. Scores range from 0-100, where a higher score indicates increase in that feeling. |
Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| VP Product Innovation, Guayaki Sustainable Rainforest Products | Contact | 609-799-6067 | info@guayaki.com | |
| Alethios, Inc. | Contact | 650-206-8006 | support@alethios.com |
| Name | Affiliation | Role |
|---|---|---|
| Kristin Nieman, PhD | Nlumn LLC | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Alethios, Inc. | Recruiting | San Francisco | California | 94109 | United States |
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This interventional trial focuses on evaluating the effects of the intervention on health and well-being.
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| Caffeinated beverage | Other | Participants will consume a caffeinated beverage with variations in sweetener and caffeine content. |
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| Control beverage | Other | Participants will consume a caffeinated beverage with the control level of sweetener and caffeine content. |
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Participants will rate how they feel using a Likert scale from 0-5. Where higher score indicate higher frequency in that feeling. |
| Day 5 |
| Physiological response - Sleep | Sleep time in hours will be collected on wearable-derived algorithms (Apple Health, Garmin, or Fitbit). | Up to 5 hours post-beverage consumption and after 5 days of daily beverage consumption |
| Physiological responses - Activity | Activity in step count will be collected on wearables (Apple Health, Garmin, or Fitbit) via accelerometry. | Up to 5 hours post-beverage consumption and after 5 days of daily beverage consumption |
| Day 5 |