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The primary endpoint of this trial will be to evaluate the safety of a single administration in human of a dose of 500 mg of a polyphenol-rich algal powder when taken 30 minutes before a test meal. The secondary endpoint of this trial will be to evaluate if a single administration in human of a dose of 500 mg of a polyphenol-rich algal powder is able to reduce the rate of carbohydrate absorption as measured by following postprandial glycemia and insulinemia.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Treatment | Experimental | Single administration of 500 mg of encapsulated brown seaweed powder, taken 30 minutes before test meal |
|
| Placebo | Placebo Comparator | Single administration of encapsulated placebo, taken 30 minutes before test meal |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Brown seaweed powder | Dietary Supplement | 500 mg (in two 250 mg capsules) taken with 250 ml of water 30 minutes before test meal (110g of plain white bread with 250 ml of water) |
|
| Measure | Description | Time Frame |
|---|---|---|
| Safety of a single 500 mg administration of a brown seaweed extract in human | First administration up to 7 days after last administration |
| Measure | Description | Time Frame |
|---|---|---|
| Significant reduction of glycemic index of test food | Immediately after product administration (single use) | |
| Significant reduction in postprandial glycemia | Immediately after product administration (single use) |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Patrick Couture, MD, PhD | Institut des nutraceutiques et des aliments fonctionnels | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Institut des Nutraceutiques et des Aliments Fonctionnels (INAF) | Québec | Quebec | G1V 0A6 | Canada |
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| Placebo | Dietary Supplement | Two capsules similar in aspect and weight to active product, taken with 250 ml of water 30 minutes before test meal (110g of plain white bread with 250 ml of water) |
|
| Significant reduction in postprandial insulinemia | Immediately after product administration (single use) |