Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 10, 2026, 11:34 PM EDT

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Showing 1–24 of 31 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Alzheimer Disease
Interventions
l-Histidine, Control
Drug · Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
50 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Conditions
Cognitive Ability, General
Interventions
SageXtra, Placebo
Dietary Supplement
Lead sponsor
ESM Technologies, LLC
Industry
Eligibility
40 Years to 60 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
College Station, Texas
Completed Not applicable Interventional Accepts healthy volunteers

Moringa Supplementation for Improved Milk Output

NCT05333939
Conditions
Breastfeeding
Interventions
Moringa leaf powder, Placebo
Dietary Supplement · Other
Lead sponsor
University of Kentucky
Other
Eligibility
0 Months and older
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Lexington, Kentucky
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Impacts of Nicotinamide Riboside on Functional Capacity and Muscle Physiology in Older Veterans

NCT04691986
Conditions
Sarcopenia, Nicotinamide Adenine Dinucleotide Concentration, Muscle Quality and NAD+ Content
Interventions
Nicotinamide Riboside, Placebo
Dietary Supplement · Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
65 Years to 85 Years
Enrollment
74 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Kansas City, Missouri
Conditions
Central Obesity
Interventions
soy supplementation
Dietary Supplement
Lead sponsor
The University of Texas at San Antonio
Other
Eligibility
45 Years to 60 Years · Female only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
San Antonio, Texas
Conditions
Focus of the Study is to Examine Plasma HMB Levels After Oral HMB Supplementation
Interventions
CaHMB capsule, HMB free acid gelcap, HMB free acid mixed in water, CaHMB in water, HMB free acid
Dietary Supplement
Lead sponsor
Metabolic Technologies Inc.
Industry
Eligibility
18 Years to 30 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Ames, Iowa
Conditions
Muscle Soreness
Interventions
Tart Cherry, Placebo Oral Capsule [CEBOCAP]
Dietary Supplement · Other
Lead sponsor
Jacksonville University
Other
Eligibility
21 Years to 45 Years · Male only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Jacksonville, Florida
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Capsule + Powder supplementation, stable tracer infusion
Dietary Supplement · Other
Lead sponsor
Texas A&M University
Other
Eligibility
45 Years to 100 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
College Station, Texas
Completed Not applicable Interventional Accepts healthy volunteers

Broccoli Seed Extract and Skin Health

NCT05745636
Conditions
Skin Inflammation
Interventions
Broccoli, mustard, vitamin C, Placebo
Dietary Supplement
Lead sponsor
Appalachian State University
Other
Eligibility
25 Years to 57 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Kannapolis, North Carolina
Completed Not applicable Interventional Accepts healthy volunteers Results available

Impact of Protein and Alkali Supplementation on Skeletal Muscle in Older Adults

NCT04048616
Conditions
Age-Related Sarcopenia, Muscle Loss
Interventions
whey protein isolate, potassium bicarbonate (KHCO3), microcrystalline cellulose, maltodextrin powder
Dietary Supplement · Other
Lead sponsor
Tufts University
Other
Eligibility
65 Years and older
Enrollment
141 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Smith-Lemli-Opitz Syndrome
Interventions
Simvastatin, Lactose
Drug · Dietary Supplement
Lead sponsor
Oregon Health and Science University
Other
Eligibility
1 Year to 89 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Portland, Oregon
Completed Phase 1 Interventional Accepts healthy volunteers

TA-65 Pharmacokinetic Study

NCT02731807
Conditions
Healthy
Interventions
Dose A: TA-65 24mg, powder, Dose B: TA-65, 8mg, powder, Dose C: TA-65 3.2mg, capsule, Dose D: TA-65 8mg, capsule, Dose E: TA-65 32mg, capsule
Dietary Supplement
Lead sponsor
NYU Langone Health
Other
Eligibility
22 Years to 55 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
New York, New York
Conditions
Dysglycemia, Obesity
Interventions
Cinnamon, placebo
Dietary Supplement · Other
Lead sponsor
Joslin Diabetes Center
Other
Eligibility
20 Years to 70 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Effects of Triphala and VSL#3 Probiotic Supplementation on Stool Microbiome Profiles and Inflammation

NCT03907501
Conditions
Human Microbiome
Interventions
Synbiotic, Probiotic, Placebo
Dietary Supplement
Lead sponsor
University of California, San Diego
Other
Eligibility
65 Years and older
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
La Jolla, California
Conditions
Exercise-induced Muscle Soreness, Exercise-induced Joint Pain, Exercise-induced Joint Stiffness, Exercise-induced Cartilage Turnover
Interventions
NEM® brand eggshell membrane powder, curQ+® brand highly absorbable curcumin, EM Placebo, Curc Placebo, NEM® plus curQ+® combination
Dietary Supplement
Lead sponsor
ESM Technologies, LLC
Industry
Eligibility
18 Years to 40 Years · Male only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
College Station, Texas
Conditions
Urinary Tract Infections, Urinary Retention Postoperative, Pelvic Organ Prolapse
Interventions
Methenamine Hippurate 1 g tablet, Placebo tablet
Drug
Lead sponsor
TriHealth Inc.
Other
Eligibility
18 Years to 80 Years · Female only
Enrollment
185 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Cincinnati, Ohio
Conditions
Safety/Effacy
Interventions
Nutritional supplement and protein shakes
Dietary Supplement
Lead sponsor
Pharmanex
Industry
Eligibility
25 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Orem, Utah
Terminated Not applicable Interventional Accepts healthy volunteers

Nutritional Supplementation in the Elderly With Weight Loss

NCT04350762
Conditions
Sarcopenia
Interventions
Protein shake + Fish Oil
Dietary Supplement
Lead sponsor
University of California, Los Angeles
Other
Eligibility
65 Years and older
Enrollment
4 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Los Angeles, California
Recruiting Not applicable Interventional Accepts healthy volunteers

Potassium, Hydration, Cardiovascular, and Kidney Study (PHACKs)

NCT06062017
Conditions
Blood Pressure, Hydration, Vascular Disease Risk
Interventions
Water and Potassium supplementation
Dietary Supplement
Lead sponsor
Auburn University
Other
Eligibility
18 Years to 30 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Auburn, Alabama
Conditions
Perimenopause, Hypertension
Interventions
Terry Naturally® melatonin 5mg SR, Placebo
Dietary Supplement
Lead sponsor
Mayo Clinic
Other
Eligibility
40 Years to 55 Years · Female only
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Rochester, Minnesota
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Exercise and NutraStem (NT-020): Effects on Stem Cells

NCT01847027
Conditions
Adult Stem Cell Proliferation
Interventions
NutraStem, Placebo
Drug
Lead sponsor
University of North Texas Health Science Center
Other
Eligibility
50 Years to 70 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
1
States / cities
Fort Worth, Texas
Conditions
Healthy Volunteers
Interventions
Immulina TM, Placebo
Drug · Dietary Supplement
Lead sponsor
University of Mississippi Medical Center
Other
Eligibility
18 Years and older
Enrollment
492 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Jackson, Mississippi
Conditions
Healthy Adults; Cognitive Performance; Sleep Quality; Neuromuscular Function
Interventions
Magnesium L-threonate, Placebo
Dietary Supplement
Lead sponsor
Barry University
Other
Eligibility
18 Years to 45 Years
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Miami Shores, Florida
Completed Not applicable Interventional Accepts healthy volunteers

Tart Cherry Supplementation & Gut Microbiome and Inflammation

NCT04467372
Conditions
Inflammation, Glucose Regulation, Sleep
Interventions
Tart cherry juice concentrate, Juice placebo, Freeze dried tart cherry powder, Capsule placebo
Dietary Supplement
Lead sponsor
Ohio University
Other
Eligibility
18 Years to 55 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Athens, Ohio