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Showing 1–24 of 288 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Completed Not applicable Interventional Accepts healthy volunteers

RCT of an Oral Acne Supplement for Adult Women

NCT06097871
Conditions
Acne
Interventions
Skin Nutraceutical Supplement, Placebo pill
Dietary Supplement · Other
Lead sponsor
Nutraceutical Wellness Inc.
Industry
Eligibility
18 Years to 50 Years · Female only
Enrollment
102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
High Point, North Carolina
Conditions
Metabolic Syndrome
Interventions
Supplement, Placebo
Dietary Supplement · Other
Lead sponsor
Jeffrey B. Schwimmer, MD
Other
Eligibility
18 Years to 25 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
La Jolla, California
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Creatine Augmentation for Adolescent Females With Treatment-Resistant Major Depressive Disorder

NCT02134808
Conditions
Major Depressive Disorder
Interventions
Creatine, Placebo
Drug
Lead sponsor
Perry Renshaw
Other
Eligibility
12 Years to 21 Years · Female only
Enrollment
71 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
Salt Lake City, Utah
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Gut Microbiome Response to Long-Haul Travel in Elite Football Players

NCT07585474
Conditions
Microbial Composition, Immune Function
Interventions
Probiotic Capsule, Placebo
Drug
Lead sponsor
Sheffield Hallam University
Other
Eligibility
18 Years to 40 Years · Male only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Nashville, Tennessee
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Supplements for Controlling Resistance to Insulin

NCT00699413
Conditions
Obesity, Diabetes Mellitus, Type 2
Interventions
nutrition education plus active supplement, nutrition education plus inactive supplement
Drug
Lead sponsor
University of Southern California
Other
Eligibility
13 Years to 17 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Los Angeles, California
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
Active, not recruiting Phase 2 Interventional Results available

Vitamin D and Physical Activity on Bone Health

NCT01419730
Conditions
Bone Metabolism Biomarkers, Bone Mineral Density, Physical Fitness
Interventions
Vitamin D3, Physical Activity
Drug · Behavioral
Lead sponsor
University of Rochester
Other
Eligibility
18 Years to 99 Years · Female only
Enrollment
191 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2026
U.S. locations
1
States / cities
Rochester, New York
Completed Not applicable Interventional Accepts healthy volunteers

Role of Centrum® Silver® in Improving Micronutrient Status in Older Men

NCT03004807
Conditions
Vitamin Deficiency, Mineral Deficiency, Aging
Interventions
Centrum Silver Mens' Formula, Control
Dietary Supplement · Other
Lead sponsor
Oregon State University
Other
Eligibility
65 Years and older · Male only
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Corvallis, Oregon
Conditions
Memory Impairment
Interventions
Fruitflow-II, resVida
Drug
Lead sponsor
Neurolgy Institute for Brain Health and Fitness
Other
Eligibility
50 Years to 80 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Lutherville, Maryland
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of Synaquell on Brain Function of Ice Hockey Players

NCT05498818
Conditions
Healthy
Interventions
Synaquell, Placebo
Dietary Supplement
Lead sponsor
Mayo Clinic
Other
Eligibility
13 Years to 19 Years
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Prostate Cancer
Interventions
Prevastein HC®, Placebo
Dietary Supplement · Other
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
50 Years to 80 Years · Male only
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2007
U.S. locations
1
States / cities
Tampa, Florida
Conditions
Autism Spectrum Disorder
Interventions
N acetyl cysteine, Placebo
Drug
Lead sponsor
Stanford University
Other
Eligibility
3 Years to 12 Years
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Palo Alto, California
Conditions
Obesity and Overweight
Interventions
Postbiotic, Placebo
Dietary Supplement
Lead sponsor
ResBiotic Nutrition, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Birmingham, Alabama
Recruiting Not applicable Interventional Accepts healthy volunteers

Effects of P24 on Postprandial Aminoacidemia

NCT07479173
Conditions
Postprandial Amino Acid Concentrations in Healthy Adults
Interventions
Protease enzyme supplement, Placebo
Dietary Supplement · Other
Lead sponsor
Amplifye
Industry
Eligibility
45 Years to 75 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Davis, California
Recruiting Not applicable Interventional Accepts healthy volunteers

Effects of Miricell Supplementation on Biomarkers of Healthy Aging and Autophagy

NCT07675200
Conditions
Autophagy, Healthy Aging
Interventions
Spermidine, Placebo
Dietary Supplement
Lead sponsor
Nutraland USA, Inc.
Industry
Eligibility
40 Years to 70 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Canfield, Ohio
Conditions
HSIL, High Grade Squamous Intraepithelial Lesion, HPV-Related Squamous Cell Carcinoma, Anal HSIL
Interventions
EXE-346 Probiotic, Placebo, Usual Care High Resolution Anoscopy (HRA)
Drug · Procedure
Lead sponsor
University of California, San Francisco
Other
Eligibility
21 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
San Francisco, California
Conditions
Healthy
Interventions
Not listed
Lead sponsor
AmeriSciences LP
Industry
Eligibility
21 Years to 65 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
3
States / cities
Pearl, Mississippi • Charlotte, North Carolina • Logan, West Virginia
Conditions
Cognition, Concentration, Attention, Focus
Interventions
Cognitive Nutritional Supplement, Placebo
Dietary Supplement · Other
Lead sponsor
Pharmavite LLC
Industry
Eligibility
25 Years to 65 Years
Enrollment
422 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Addison, Illinois
Conditions
Infantile Colic
Interventions
Probiotic, Placebo
Dietary Supplement
Lead sponsor
The Archer-Daniels-Midland Company
Industry
Eligibility
3 Weeks to 12 Weeks
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Healthy Volunteer
Interventions
Urolithin A, Placebo
Dietary Supplement
Lead sponsor
National Institute on Aging (NIA)
NIH
Eligibility
55 Years to 100 Years
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Hypertension
Interventions
grape seed extract, grape seed extract placebo
Dietary Supplement
Lead sponsor
Clinical Nutrition Research Center, Illinois Institute of Technology
Industry
Eligibility
25 Years to 65 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Cystic Fibrosis
Interventions
Docosahexanoic Acid Supplement, Placebo
Dietary Supplement
Lead sponsor
Vanderbilt University
Other
Eligibility
6 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Nashville, Tennessee
Completed Not applicable Interventional

"Night Vision and Carotenoids"

NCT04741763
Conditions
Macular Degeneration
Interventions
EyePromise Visual Edge
Dietary Supplement
Lead sponsor
Robert Davis
Other
Eligibility
50 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
2
States / cities
North Chicago, Illinois • Oak Lawn, Illinois
Conditions
Atrophy
Interventions
CaHMB (Dietary supplement, not Drug), CaLa
Drug · Dietary Supplement
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
1
States / cities
Overland Park, Kansas