Pharmacokinetics
Conditions
Keywords
Pharmacokinetics, Niagen, Nicotinamide riboside
Brief summary
The purpose of this study in to analyse the way in which the body processes Niagen (nicotinamide riboside) in healthy people. Blood and urine samples from subjects who are given a dose of Niagen will be analyzed for metabolites over the 24 hours after taking the dose.
Interventions
DIETARY_SUPPLEMENTNiagen 100mg
DIETARY_SUPPLEMENTNiagen 300mg
DIETARY_SUPPLEMENTNiagen 1000mg
Sponsors
ChromaDex, Inc.
KGK Science Inc.
Study design
Allocation
RANDOMIZED
Intervention model
CROSSOVER
Masking
TRIPLE (Subject, Investigator, Outcomes Assessor)
Eligibility
Sex/Gender
ALL
Age
30 Years to 55 Years
Healthy volunteers
Yes
Inclusion criteria
* Healthy Male or female age 30-55 years * BMI 18.5-29.9 kg/m2 * If female, subject is not of child bearing potential, OR Females of childbearing potential must agree to use a medically approved method of birth control and have a negative urine pregnancy test result. * Healthy as determined by laboratory results and medical history * Agrees to maintain current level of physical activity throughout the study * Agrees to avoid vitamins and St. John's Wort for 30 days prior to enrollment and during the study * Agrees to avoid nutritional yeast, whey proteins, energy drinks, dairy products, grapefruit and grapefruit juice and alcohol 7 days prior to enrollment and during study * Has given voluntary, written, informed consent to participate in the study
Exclusion criteria
* Women who are pregnant, breastfeeding, or planning to become pregnant during the course of the trial. * Use of natural health products (NHPs)/dietary supplements within 7 days prior to randomization and during the course of the study. * Use of vitamins or St. John's Wort in the last 30 days before the study enrollment, * Use of natural health products containing Nicotinamide riboside within 7 days prior to randomization and during the course of the study * Use of nutritional yeast, whey proteins, energy drinks, grapefruit and grapefruit juice, dairy products, alcohol for 7 days prior to the study * Subjects who are smokers * Subjects with blood pressure ≥140/90 * Use of blood pressure medications * Use of cholesterol lowering medications * Metabolic diseases or chronic diseases * Use of acute over the counter medication within 72 hours of test product dosing * Unstable medical conditions as determined by the Qualified Investigator * Immunocompromised individuals such as subjects that have undergone organ transplantation or subjects diagnosed with human immunodeficiency virus (HIV) * Clinically significant abnormal lab results at screening (e.g. AST and/or ALT \> 2 x ULN, and/or bilirubin \> 2 x ULN) will be assessed by the Medical Investigator * Subjects who have planned surgery during the course of the trial * History of or current diagnosis of any cancer (except for successfully treated basal cell carcinoma) diagnosed less than 5 years prior to screening. Subjects with cancer in full remission more than 5 years after diagnosis are acceptable * History of blood/bleeding disorders * Blood donation in the past 2 months * Alcohol abuse (\>2 standard alcoholic drinks per day) or drug abuse within the past 6 months * Participation in a clinical research trial within 30 days prior to randomization * Allergy or sensitivity to study supplement ingredients or to any food or beverage provided during the study * Individuals who are cognitively impaired and/or who are unable to give informed consent. * Any other condition which in the Investigator's opinion may adversely affect the subject's ability to complete the study or its measures or which may pose significant risk to the subject
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| t1/2 (terminal half-life) | 24 hours | 24 hour dosing period; 3 dosing periods each separated by 7 day washout |
Other
| Measure | Time frame | Description |
|---|---|---|
| AUCI (AUC to infinity) | 24 hours | 24 hour dosing period; 3 dosing periods each separated by 7 day washout |
| AUC(0-24h)/AUCI | 24 hours | 24 hour dosing period; 3 dosing periods each separated by 7 day washout |
| Maximum observed concentration (Cmax) | 24 hours | 24 hour dosing period; 3 dosing periods each separated by 7 day washout |
| Time of maximum concentration (Tmax), | 24 hours | 24 hour dosing period; 3 dosing periods each separated by 7 day washout |
| Area under the curve (AUC(0-24h) | 24 hours | 24 hour dosing period; 3 dosing periods each separated by 7 day washout |
| AUCReftmax (Area under the curve to tmax) | 24 hours | 24 hour dosing period; 3 dosing periods each separated by 7 day washout |
| Blood Safety parameters | 24 hour dosing period; pre dose and 24 hr post dose | CBC |
| Vital Signs | 24 hour period: pre-dose, 1h, 4h, 6h, 12h, 24h post-dose | Heart Rate |
| λ (terminal disposition rate constant) | 24 hours | 24 hour dosing period; 3 dosing periods each separated by 7 day washout |
Countries
Canada
Outcome results
None listed