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NATHANIEL JENKINS

🇺🇸United States
Ownership
-
Employees
-
Market Cap
-
Website

Citicoline Dose on Energy Drink Efficacy

Not Applicable
Completed
Conditions
Cognitive Performance
Gaming Performance
Blood Pressure
Heart Rate
Mood
First Posted Date
2025-03-25
Last Posted Date
2025-03-25
Lead Sponsor
Nathaniel Jenkins
Target Recruit Count
34
Registration Number
NCT06890962
Locations
🇺🇸

University of Iowa, Iowa City, Iowa, United States

The Iowa ACEs and Sleep Cohort and Manipulating Sleep in Young Adults With ACEs Studies

Not Applicable
Recruiting
Conditions
Sleep Disturbance
Vascular Dilatation
Psychological Trauma
Psychosocial Stressor
Inflammation
Sleep
Endothelial Dysfunction
Adverse Childhood Experiences
Oxidative Stress
Interventions
Behavioral: Cognitive Behavioral Therapy for Insomnia (CBT-i)
First Posted Date
2024-06-12
Last Posted Date
2025-03-20
Lead Sponsor
Nathaniel Jenkins
Target Recruit Count
70
Registration Number
NCT06454344
Locations
🇺🇸

Integrative Laboratory of Applied Physiology and Lifestyle Medicine, Iowa City, Iowa, United States

Acute Effects of Organic Guayusa Extract

Not Applicable
Completed
Conditions
Acute Physiological Effects of Organic Guayusa Extract
Interventions
Dietary Supplement: Acute High-Dose Guayusa Extract Supplementation
Dietary Supplement: Acute Moderate-Dose Guayusa Extract Supplementation
Dietary Supplement: Placebo
First Posted Date
2023-07-03
Last Posted Date
2023-07-05
Lead Sponsor
Nathaniel Jenkins
Target Recruit Count
32
Registration Number
NCT05928195
Locations
🇺🇸

Integrative Laboratory of Applied Physiology and Lifestyle Medicine, Iowa City, Iowa, United States

Guayusa Extract on Exercise Training

Not Applicable
Completed
Conditions
Desire to Exercise
Exercise Training
Physical Exertion
Interventions
Dietary Supplement: Organic Guayusa Extract
Dietary Supplement: Placebo
First Posted Date
2023-04-19
Last Posted Date
2023-04-19
Lead Sponsor
Nathaniel Jenkins
Target Recruit Count
57
Registration Number
NCT05820399
Locations
🇺🇸

Integrative Laboratory of Applied Physiology and Lifestyle Medicine, Iowa City, Iowa, United States

Energy Drink Effects on Performance, Mood, and Cardiovascular Outcomes

Not Applicable
Completed
Conditions
Exercise Performance
Mood
Caffeine
Cardiovascular Safety
Energy Drink
Interventions
Dietary Supplement: Acute energy drink or placebo consumption
First Posted Date
2022-09-29
Last Posted Date
2023-06-01
Lead Sponsor
Nathaniel Jenkins
Target Recruit Count
109
Registration Number
NCT05559372
Locations
🇺🇸

Integrative Laboratory of Applied Physiology and Lifestyle Medicine, Iowa City, Iowa, United States

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