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The purpose of this study is to determine the effects of Nicotinamide Riboside (NR) supplementation on metabolism and vascular function following high-fat meal. Differences between young (18-35) and older (60-75) adults will be determined.
The purpose of this study is to determine the effects of 7 days of Nicotinamide Riboside (NR) or placebo supplementation on metabolism and vascular function following high-fat meal. Differences between young (18-35) and older (60-75) adults will be determined.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Nicotinamide Riboside Chloride (Niagen) | Experimental | 7 days of nicotinamide riboside supplementation (250 mg/d x 2/day). |
|
| Placebo | Placebo Comparator | 7 days of placebo supplementation (2/day) |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Nicotinamide riboside chloride (Niagen) | Dietary Supplement | 250 mg capsules 2x/day for 7 days |
|
| Measure | Description | Time Frame |
|---|---|---|
| NAD+ | Blood and peripheral blood mononuclear cell (PBMC) levels | 7 days |
| Measure | Description | Time Frame |
|---|---|---|
| Vasodilatory responsiveness | Post-Occlusion Reactive Hyperemia (PORH) | 7 days |
| Lipdemia | Fasting and postprandial | 7 days |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Rudy Valentine, PhD | Iowa State University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Iowa State University | Ames | Iowa | 50011 | United States |
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| ID | Term |
|---|---|
| D006949 | Hyperlipidemias |
| ID | Term |
|---|---|
| D050171 | Dyslipidemias |
| D052439 | Lipid Metabolism Disorders |
| D008659 | Metabolic Diseases |
| D009750 | Nutritional and Metabolic Diseases |
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| ID | Term |
|---|---|
| C018613 | nicotinamide-beta-riboside |
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Randomized, cross-over
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I single investigator will be responsible for blinding. All researchers involved in collection and evaluation of data will remain blinded to treatments.
| Placebo | Dietary Supplement | 2x/day for 7 days |
|
| Oxidative stress and inflammation | Plasma markers and expression in circulating PBMCs | 7 days |