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This study will examine the independent and combined effects of creatine and carbohydrate supplementation on exercise performance, compared to placebo.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Placebo | Placebo Comparator | Flavored water every 20 minutes |
|
| Creatine monohydrate | Experimental | Creatine Monohydrate supplementation every 0.5 grams every 20 minutes |
|
| Carbohydrate | Experimental | Carbohydrate supplementation 5 grams every 20 minutes |
|
| Creatine and Carbohydrate | Experimental | Creatine supplementation at 0.5 gram and carbohydrate supplementation of 5 grams every 20 minutes |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Creatine Monohydrate | Dietary Supplement | Creatine monohydrate supplementation 0.5 grams every 20 minutes |
|
| Measure | Description | Time Frame |
|---|---|---|
| Exercise Time to exhaustion | Time to exhaustion (seconds) during continuous cycling performed at 60% of each participant's maximal cycling power output following supplementation with placebo, creatine monohydrate, or creatine monohydrate plus carbohydrate. | Change in exercise time to exhaustion ( in seconds) through study completion, over the course of study completion, on average 4 weeks. |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Todd Hagobian, PhD | Contact | 805-756-7511 | thagobia@calpoly.edu |
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| California Polytechnic State University | San Luis Obispo | California | 93407 | United States |
IPD will be available on the Cal Poly Digital Commons website and available upon request.
August 1, 2026
Available to download
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| ID | Term |
|---|---|
| D003401 | Creatine |
| D002241 | Carbohydrates |
| ID | Term |
|---|---|
| D006146 | Guanidines |
| D000578 | Amidines |
| D009930 | Organic Chemicals |
| D000596 | Amino Acids |
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| Carbohydrate | Dietary Supplement | carbohydrate supplementation 5 grams every 20 minutes |
|
| Creatine Monohydrate and Carbohydrate | Dietary Supplement | Creatine supplementation of 0.5 grams and carbohydrate supplementation of 5 grams every 20 minutes. |
|
| placebo solution | Dietary Supplement | Flavored water every 20 minutes |
|
| D000602 |
| Amino Acids, Peptides, and Proteins |