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Showing 1–24 of 39 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Energy Levels Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Positive Energy Balance and Exercise on Appetite Hormones in Sedentary Men and Women

NCT01354600
View directory record Official record
Conditions
Appetite and General Nutritional Disorders
Interventions
Exercise or Sedentary
Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 39 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jul 22, 2013 · Synced Sep 3, 2026, 5:08 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Oat Breakfast Satiety Study

NCT01372683
View directory record Official record
Conditions
Subjective Appetite and Satiety, Subjective Energy Levels
Interventions
Dietary Intervention
Other
Lead sponsor
PepsiCo Global R&D
Industry
Eligibility
18 Years and older
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Dec 19, 2011 · Synced Sep 3, 2026, 5:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Clinical Trial to Evaluate the Effects of a Supplement on Cognitive Function and Energy Levels

NCT07755475
View directory record Official record
Conditions
Cognitive Function, Fatigue, Energy Levels, Mental Clarity, Brain Fog, Food Cravings
Interventions
Cellular Hydration Supplement
Dietary Supplement
Lead sponsor
Artah Nutrition Limited
Industry
Eligibility
25 Years to 60 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Aug 9, 2026 · Synced Sep 3, 2026, 5:08 AM EDT
Completed No phase listed Observational

Preliminary Assessment of Added Diagnostic Value of Dual Energy CT Images Using Data Acquired on a Spectral Detector CT

NCT02760706
View directory record Official record
Conditions
Compare Image Quality Between SDCT and Conventional CT Images of Any Tissue Lesion, Determine Optimal Monochromatic Energy Level for a Coronary Artery Image
Interventions
Computed Tomography scan
Device
Lead sponsor
Philips Healthcare
Industry
Eligibility
18 Years to 100 Years
Enrollment
303 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated May 18, 2017 · Synced Sep 3, 2026, 5:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Developing an Intervention to Prevent Visceral Adipose Tissue Accumulation

NCT01778712
View directory record Official record
Conditions
Menopause, Visceral Adipose Tissue Accumulation, Abdominal Obesity, Obesity, Overweight
Interventions
Multi-level intervention
Behavioral
Lead sponsor
Rush University Medical Center
Other
Eligibility
42 Years and older · Female only
Enrollment
71 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 26, 2016 · Synced Sep 3, 2026, 5:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Clinical Trial to Assess the Effects of a Vitamin Shot on Energy Levels

NCT06019858
View directory record Official record
Conditions
Energy, Fatigue, Mood, Weight Loss, Cognition
Interventions
Vitamin Energy Shot
Other
Lead sponsor
Vitamin Energy®
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Aug 30, 2023 · Synced Sep 3, 2026, 5:08 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Simulines Non-Inferiority Pivotal Study

NCT02736825
View directory record Official record
Conditions
Skin Laxity
Interventions
Ulthera System with standard transducer, Ulthera System with prototype 2 simulines transducer
Device
Lead sponsor
Ulthera, Inc
Industry
Eligibility
30 Years to 70 Years
Enrollment
262 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
8
States / cities
Beverly Hills, California • Roseville, California • Sacramento, California + 5 more
Source: ClinicalTrials.gov public record
Updated Feb 18, 2020 · Synced Sep 3, 2026, 5:08 AM EDT
Completed Phase 3 Interventional Results available

Effect of Dysport Injections on Energy Expenditure and Walking Efficiency in Children With Cerebral Palsy

NCT03469999
View directory record Official record
Conditions
Cerebral Palsy
Interventions
Dysport Injectable Product
Drug
Lead sponsor
Columbia University
Other
Eligibility
5 Years to 17 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 31, 2022 · Synced Sep 3, 2026, 5:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Radicle Energy: A Study of Cannabinoids on Energy and Other Health Outcomes

NCT05502328
View directory record Official record
Conditions
Energy
Interventions
Energy Study Product Usage
Dietary Supplement
Lead sponsor
Radicle Science
Industry
Eligibility
21 Years to 105 Years
Enrollment
1,427 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Del Mar, California
Source: ClinicalTrials.gov public record
Updated Nov 21, 2023 · Synced Sep 3, 2026, 5:08 AM EDT
Completed Not applicable Interventional

A Clinical Trial to Evaluate the Effects of EMF Protection Devices on Sleep and Energy Levels

NCT07746011
View directory record Official record
Conditions
Sleep Disturbance, Insomnia, Fatigue, Electromagnetic Field Exposure
Interventions
EMF Protection
Device
Lead sponsor
Life Harmony Energies, Inc.
Industry
Eligibility
30 Years to 60 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Aug 3, 2026 · Synced Sep 3, 2026, 5:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Efficacy of Energy Shots and Caffeine for Energy and Wakefulness Levels

NCT01755299
View directory record Official record
Conditions
Focus: to Compare a Commercially Available Energy Drink, B Vitamins, Caffeine Alone, and Placebo for Effectiveness on Perceived Energy Level and Wakefulness
Interventions
Regular "5-hour Energy", Decaf "5-hour Energy", Compounded concentrated caffeine liquid, Flavored bottled water
Other
Lead sponsor
ProMedica Health System
Other
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Sylvania, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 8, 2013 · Synced Sep 3, 2026, 5:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Radicle Recharge: A Study of Health and Wellness Products on Energy Levels and Other Health Outcomes

NCT06104891
View directory record Official record
Conditions
Energy, Fatigue
Interventions
Recharge Placebo Control 1, Recharge Active Study Product 1, Recharge Active Study Product 2, Recharge Active Study Product 3
Dietary Supplement
Lead sponsor
Radicle Science
Industry
Eligibility
21 Years to 105 Years
Enrollment
264 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Del Mar, California
Source: ClinicalTrials.gov public record
Updated May 19, 2024 · Synced Sep 3, 2026, 5:08 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Are Mindfulness Programs in the Workplace Effective at Reducing Stress

NCT04425356
View directory record Official record
Conditions
Mindfulness, Occupational Stress
Interventions
LifeXT Program
Behavioral
Lead sponsor
American Heart Association
Other
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
3
States / cities
Macon, Georgia • Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 10, 2020 · Synced Sep 3, 2026, 5:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Peanut Butter on Sleep Quality and Daily Energy Levels in Fire Fighters

NCT06364202
View directory record Official record
Conditions
Sleep, Body Composition, Blood Pressure, Physical Activity
Interventions
Peanut Butter
Dietary Supplement
Lead sponsor
Augusta University
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated Apr 14, 2024 · Synced Sep 3, 2026, 5:08 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Effect of OPC Factor on Energy Levels

NCT00318019
View directory record Official record
Conditions
Healthy
Interventions
OPC Factor(TM), Placebo
Dietary Supplement · Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
45 Years to 65 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 16, 2011 · Synced Sep 3, 2026, 5:08 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Dihydroberberine Effects on Body Composition and Metabolic Health in Healthy Adults

NCT07322679
View directory record Official record
Conditions
Health Adult Subjects
Interventions
Placebo （Microcrystalline Cellulose）, Dihydroberberine（DHB）
Dietary Supplement
Lead sponsor
Nanjing Nutrabuilding Bio-tech Co., Ltd.
Other
Eligibility
35 Years to 55 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Addison, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 6, 2026 · Synced Sep 3, 2026, 5:08 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effects of Ashwagandha Extract on Stress Levels

NCT06793891
View directory record Official record
Conditions
Stress
Interventions
ashwagandha root, ashwagandha root and leaf, placebo
Dietary Supplement · Other
Lead sponsor
Nutraceuticals Research Institute
Other
Eligibility
30 Years to 59 Years · Female only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Huntsville, Alabama
Source: ClinicalTrials.gov public record
Updated Jan 26, 2025 · Synced Sep 3, 2026, 5:08 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

A Trial to Study the Effects of Ginseng and Cordyceps on Aerobic Capacity, Lactate Kinetics, and Nitric Oxide

NCT07729943
View directory record Official record
Conditions
Healthy Subjects With Low Energy Levels
Interventions
Panax ginseng, Cordycep Militaris, Placebo
Dietary Supplement · Other
Lead sponsor
Applied Food Sciences Inc.
Industry
Eligibility
40 Years to 65 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Canfield, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 27, 2026 · Synced Sep 3, 2026, 5:08 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

A Clinical Trial to Evaluate the Effects of a Herbal Tincture on Energy Levels, Weight Management, and Markers of Metabolic Health

NCT06949540
View directory record Official record
Conditions
Stress, Fatigue
Interventions
Blue Burn Tincture
Dietary Supplement
Lead sponsor
Apothekary
Industry
Eligibility
30 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Apr 28, 2025 · Synced Sep 3, 2026, 5:08 AM EDT
Completed Phase 3 Interventional Results available

A Study in Men With Low Testosterone to Measure the Effects of Testosterone Solution on Testosterone Levels, Sex Drive and Energy

NCT01816295
View directory record Official record
Conditions
Hypogonadism
Interventions
Testosterone Solution, Placebo Solution
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older · Male only
Enrollment
715 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
45
States / cities
Homewood, Alabama • Chandler, Arizona • Glendale, Arizona + 42 more
Source: ClinicalTrials.gov public record
Updated Dec 27, 2015 · Synced Sep 3, 2026, 5:08 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

A Clinical Trial to Evaluate the Effects of Super Liver Liquid Drops on Gut Health, Digestive Comfort, and Daily Energy Levels

NCT07742657
View directory record Official record
Conditions
Gastrointestinal Symptoms, Bloating, Digestive Discomfort, Low Energy Levels, Brain Fog, Mood Instability, Sleep Quality, Skin Clarity, Facial Puffiness, Bad Breath
Interventions
Super Liver
Dietary Supplement
Lead sponsor
SuperBonsai Inc.
Industry
Eligibility
30 Years to 65 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Aug 2, 2026 · Synced Sep 3, 2026, 5:08 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effect of Uridine on GABA and High Energy Phosphate Levels in Healthy Volunteers

NCT01261260
View directory record Official record
Conditions
Healthy Male Subjects
Interventions
Uridine
Drug
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 60 Years · Male only
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 15, 2010 · Synced Sep 3, 2026, 5:08 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Efficacy of ONE A DAY Weightsmart Advanced Versus Caffeine and Placebo on Energy Expenditure, Thermogenesis and Perceived Energy Levels in Women.

NCT00781586
View directory record Official record
Conditions
Energy Expenditure
Interventions
One-A-Day Weight S.A. (Multi-Vitamins, BAY94-9350), Caffeine, Placebo
Dietary Supplement · Drug
Lead sponsor
Bayer
Industry
Eligibility
25 Years to 45 Years · Female only
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 18, 2018 · Synced Sep 3, 2026, 5:08 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Energy Expenditure and Physical Activity in Preschoolers

NCT02075359
View directory record Official record
Conditions
Healthy
Interventions
Not listed
Lead sponsor
Baylor College of Medicine
Other
Eligibility
3 Years to 5 Years
Enrollment
119 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2015
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 25, 2020 · Synced Sep 3, 2026, 5:08 AM EDT