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Showing 1–24 of 63 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Mental Energy Clear all
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 7, 2026, 9:36 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effects of Exogenous Ketones on Cognitive Function in Older Adults With Prediabetes?

NCT07546409
View directory record Official record
Conditions
Prediabetes, Healthy (Controls)
Interventions
Ketone Monoester (KE), Placebo
Dietary Supplement
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
60 Years to 75 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
2
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Sep 7, 2026, 9:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of Healing Touch on Post Operative Pediatric Patients

NCT01738308
View directory record Official record
Conditions
Surgery, Stress, Pain, Children, Post-Traumatic Stress Disorder
Interventions
Healing Touch, Healing Touch Sham Treatment
Procedure
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
3 Years to 4 Years
Enrollment
240 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 23, 2021 · Synced Sep 7, 2026, 9:36 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

The Effects of Repeated Operational Stress and Limited Recovery on Resilience Capacity

NCT06784544
View directory record Official record
Conditions
Sleep, Inadequate, Energy Deficit, Iron Absorption, High Physical Activity
Interventions
Operational Stressors
Other
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
17 Years to 39 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Natick, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 19, 2025 · Synced Sep 7, 2026, 9:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Guayusa: The Effect of an Herbal Extract on Alertness and Mental Fatigue

NCT05530915
View directory record Official record
Conditions
Attention Difficulties
Interventions
Gel capsule
Other
Lead sponsor
PepsiCo Global R&D
Industry
Eligibility
18 Years to 55 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Addison, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 13, 2022 · Synced Sep 7, 2026, 9:36 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Brain Energy Metabolism in Individuals With Major Depressive Disorder Receiving Escitalopram

NCT00183677
View directory record Official record
Conditions
Depression
Interventions
Escitalopram
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
97 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2009
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 3, 2017 · Synced Sep 7, 2026, 9:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Brain Energy and Cognition

NCT01603550
View directory record Official record
Conditions
Energy Restriction, Sleep Deprivation
Interventions
Sleep Deprivation, Energy Restriction
Other
Lead sponsor
United States Army Research Institute of Environmental Medicine
Federal
Eligibility
18 Years to 39 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
Natick, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 5, 2016 · Synced Sep 7, 2026, 9:36 AM EDT
Completed No phase listed Observational

Lactate for Energy and Neurocognition

NCT05207397
View directory record Official record
Conditions
Healthy Aging, Alzheimer Disease
Interventions
Lactate infusion
Other
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
60 Years to 95 Years
Enrollment
24 participants
Timeline
2023 – 2024
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated May 13, 2025 · Synced Sep 7, 2026, 9:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Cracking Consciousness Study With Monroe & Neuphoria

NCT07256665
View directory record Official record
Conditions
Mental Energy, Stress
Interventions
Neuphoria Wearable
Device
Lead sponsor
Efforia, Inc
Industry
Eligibility
18 Years and older
Enrollment
271 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 27, 2026 · Synced Sep 7, 2026, 9:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Impact Loading Effect on Bone Biomarkers in Female Runners

NCT05341700
View directory record Official record
Conditions
Relative Energy Deficiency in Sport
Interventions
Impact Load Exercises, No Impact Load Exercises
Behavioral
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Blacksburg, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 18, 2025 · Synced Sep 7, 2026, 9:36 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Radicle Energy VBMTM: A Study Assessing the Impact of Health and Wellness Products on Fatigue and Related Health Outcomes

NCT07653724
View directory record Official record
Conditions
Fatigue, Cognitive Function, Global Mental Health, Sleep Disturbance
Interventions
Energy Product Placebo Control, Energy Active Product 1
Dietary Supplement
Lead sponsor
Radicle Science
Industry
Eligibility
21 Years to 105 Years
Enrollment
550 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Del Mar, California
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Sep 7, 2026, 9:36 AM EDT
Completed Not applicable Interventional

Energy Metabolism and Cognitive Aging

NCT00777010
View directory record Official record
Conditions
Mild Cognitive Impairment
Interventions
Ketogenic diet, Healthy high carbohydrate diet
Other
Lead sponsor
University of Cincinnati
Other
Eligibility
50 Years and older
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2017
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 23, 2017 · Synced Sep 7, 2026, 9:36 AM EDT
Completed Phase 1 Interventional Results available

Trial of Oxaloacetate in Alzheimer's Disease (TOAD)

NCT02593318
View directory record Official record
Conditions
Alzheimer's Disease (AD)
Interventions
Oxaloacetate (OAA) 1g, Oxaloacetate (OAA) 2g
Drug
Lead sponsor
Russell Swerdlow
Other
Eligibility
50 Years to 85 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Jul 8, 2021 · Synced Sep 7, 2026, 9:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effect of Phytochemicals From Theobroma Cacao on Mental Energy

NCT01651793
View directory record Official record
Conditions
Mental Fatigue
Interventions
Caffeinated cocoa, Cocoa, Caffeine, Placebo
Other
Lead sponsor
University of Georgia
Other
Eligibility
18 Years to 34 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Athens, Georgia
Source: ClinicalTrials.gov public record
Updated Jun 24, 2018 · Synced Sep 7, 2026, 9:36 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Longterm Effects of a Biofield Patch on Anxiety, Sleep, and Energy

NCT07353021
View directory record Official record
Conditions
Anxiety, Sleep
Interventions
Active dermal patch, Placebo patch
Device
Lead sponsor
Natural Immune Systems Inc
Other
Eligibility
18 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Klamath Falls, Oregon
Source: ClinicalTrials.gov public record
Updated Jan 19, 2026 · Synced Sep 7, 2026, 9:36 AM EDT
Completed Not applicable Interventional

Improving Safety of Diagnosis and Therapy in the Inpatient Setting

NCT04393909
View directory record Official record
Conditions
Delirium, Confusion, Mental Status Change, Back Pain, Hip Pain Chronic, Chest Pain, Asthma, COPD, Cellulitis, Soft Tissue Infections, Cough, Deep Vein Thrombosis, Pulmonary Embolism, Venous Thromboembolism, Dyspnea, Electrolyte Metabolism Abnormal, Fever, Failure to Thrive, Weakness, Protein-Calorie Malnutrition, Headache, Neck Pain, Hypoxia, Pneumonia, Sepsis, Syncope, Vomiting, Diarrhea, Leg Pain, Abdominal Pain
Interventions
Diagnostic Uncertainty Educational Curriculum, Diagnostic Timeout, Patient Diagnostic (Dx) Questionnaire, Enhancements to Epic-integrated Quality & Safety Dashboard
Behavioral
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
700 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 25, 2022 · Synced Sep 7, 2026, 9:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of a Vitality Dietary Supplement on Physical and Mental Function in Middle-aged Adults

NCT01155076
View directory record Official record
Conditions
Health-related Quality of Life
Interventions
Vitality Product, Placebo
Dietary Supplement
Lead sponsor
Pharmanex
Industry
Eligibility
40 Years to 70 Years
Enrollment
116 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
3
States / cities
Tucson, Arizona • Chaska, Minnesota • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Nov 13, 2013 · Synced Sep 7, 2026, 9:36 AM EDT
Completed Not applicable Interventional

Ketone Supplementation in Eating Disorders

NCT05507008
View directory record Official record
Conditions
Anorexia Nervosa, Bulimia Nervosa, Atypical Anorexia Nervosa, Atypical Bulimia Nervosa
Interventions
Kenetik Ketone Drink
Dietary Supplement
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 65 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Aug 2, 2026 · Synced Sep 7, 2026, 9:36 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 7, 2026, 9:36 AM EDT
Completed Not applicable Interventional

Music Therapy and Dialysis: A Pilot Investigation Into the Effectiveness of Patient-Selected Music Interventions on Physiological, Psychological, and Quality-of-Life Outcomes

NCT03925168
View directory record Official record
Conditions
End Stage Renal Disease, Depression, Anxiety, Major Depressive Disorder, Generalized Anxiety Disorder, Compliance, Patient, Compliance, Medication, Mood, Pain, Energy Supply; Deficiency, Quality of Life, Blood Pressure, Heart Rate Fast
Interventions
Music therapy
Behavioral
Lead sponsor
Tulane University
Other
Eligibility
21 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
3
States / cities
New Orleans, Louisiana • Terrytown, Louisiana
Source: ClinicalTrials.gov public record
Updated Jan 14, 2021 · Synced Sep 7, 2026, 9:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Sleep Loss and Energy Metabolism in People With Family History of Type 2 Diabetes.

NCT00724087
View directory record Official record
Conditions
Sleep, Sleep Deprivation, Insulin Resistance, Type 2 Diabetes
Interventions
5.5-hour bedtime, 8.5-hour bedtime
Other
Lead sponsor
University of Chicago
Other
Eligibility
21 Years to 40 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2012
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 4, 2013 · Synced Sep 7, 2026, 9:36 AM EDT
Completed No phase listed Observational

Effects of Antipsychotic Medications on Energy Intake and Expenditure

NCT00836251
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder, Weight Gain
Interventions
H218O and 2H2O, administered as a mixed cocktail
Dietary Supplement
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 80 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 12, 2014 · Synced Sep 7, 2026, 9:36 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 7, 2026, 9:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Sleep Deprivation and Energy Balance

NCT01334788
View directory record Official record
Conditions
Sleep Deprivation
Interventions
sleep deprivation, Normal sleep
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 11, 2023 · Synced Sep 7, 2026, 9:36 AM EDT