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ClinicalTrials.gov public records Last synced Oct 18, 2026, 1:19 AM EDT

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Showing 1–24 of 27 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Potassium Supplement Clear all
Recruiting Phase 4 Interventional

Hydroxycitrate: A Novel Therapy for Calcium Phosphate Urinary Stones

NCT06003348
View directory record Official record
Conditions
Calcium Phosphate Kidney Stones
Interventions
OHCit- standard dose, Potassium Citrate, Placebo, OHCit- low dose
Dietary Supplement · Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
21 Years to 99 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Oct 18, 2026, 1:19 AM EDT
Completed Not applicable Interventional

A Clinical Trial to Evaluate the Effects of a Plant-Based Liquid Supplement on Metabolic Health and Overall Well-Being

NCT07673432
View directory record Official record
Conditions
Metabolic Health, Elevated Liver Enzymes, Digestive Symptoms
Interventions
Plant-Based Liquid Supplement
Dietary Supplement
Lead sponsor
Biocol Labs
Industry
Eligibility
40 Years to 60 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Jun 29, 2026 · Synced Oct 18, 2026, 1:19 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Inorganic Nitrate Supplement on Blood Pressure

NCT03909789
View directory record Official record
Conditions
Blood Pressure, Endothelial Dysfunction
Interventions
Plant based bioequivalent Nitrate supplementation, Placebo
Dietary Supplement
Lead sponsor
Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center
Other
Eligibility
40 Years to 75 Years
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Torrance, California
Source: ClinicalTrials.gov public record
Updated Apr 12, 2019 · Synced Oct 18, 2026, 1:19 AM EDT
Completed Phase 2 Interventional Results available

The Effects of Potassium on Glucose Metabolism in African Americans

NCT02236598
View directory record Official record
Conditions
Borderline Hypokalemia
Interventions
K+ supplement, Placebo
Drug
Lead sponsor
Duke University
Other
Eligibility
30 Years and older
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated May 23, 2017 · Synced Oct 18, 2026, 1:19 AM EDT
Completed Phase 1 Interventional Results available

Pragmatic Pediatric Trial of Balanced Versus Normal Saline Fluid in Sepsis: A Pilot Feasibility Study

NCT03340805
View directory record Official record
Conditions
Shock, Septic
Interventions
Lactated Ringer, Normal saline
Drug
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
6 Months to 17 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 5, 2019 · Synced Oct 18, 2026, 1:19 AM EDT
Not listed Phase 1Phase 2 Interventional Accepts healthy volunteers

Retention of Potassium From Potatoes and Potassium Gluconate, and the Effect on Blood Pressure.

NCT02697708
View directory record Official record
Conditions
Hypertensive Disease
Interventions
Potassium control diet, Potassium gluconate diet, Potato Diet, French Fries Diet
Dietary Supplement
Lead sponsor
Purdue University
Other
Eligibility
21 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated May 9, 2018 · Synced Oct 18, 2026, 1:19 AM EDT
Recruiting Not applicable Interventional

Oral Nutritional Optimization in Total Joint Arthroplasty

NCT04210284
View directory record Official record
Conditions
Osteoarthritis
Interventions
Ensure
Dietary Supplement
Lead sponsor
NYU Langone Health
Other
Eligibility
55 Years and older
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
2
States / cities
New York, New York • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 11, 2025 · Synced Oct 18, 2026, 1:19 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effect of Sex on Orthostatic Intolerance and Cardiovascular Response During Lunar Descent and Ascent

NCT06467825
View directory record Official record
Conditions
Healthy
Interventions
Potassium Supplement, Furosemide 20 MG, Compression Garment
Drug · Device
Lead sponsor
National Aeronautics and Space Administration (NASA)
Federal
Eligibility
25 Years to 55 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 1, 2025 · Synced Oct 18, 2026, 1:19 AM EDT
Completed Not applicable Interventional

Topical and Oral Regimen for Skin Health

NCT04872946
View directory record Official record
Conditions
Skin Abnormalities
Interventions
Tea, Serum, Moisturizer
Dietary Supplement · Other
Lead sponsor
Integrative Skin Science and Research
Industry
Eligibility
18 Years to 55 Years · Female only
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated May 5, 2021 · Synced Oct 18, 2026, 1:19 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effect of a Dietary Supplement on Quality of Life

NCT05323084
View directory record Official record
Conditions
Quality of Life
Interventions
Dietary supplement
Dietary Supplement
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
50 Years and older
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Dec 16, 2024 · Synced Oct 18, 2026, 1:19 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Clinical Trial to Evaluate the Effects of a Supplement on Supporting Signs of a Healthy Metabolism

NCT07765407
View directory record Official record
Conditions
Poor Energy Levels, Poor Metabolism, Difficulty With Weight Management, Bloating
Interventions
Love Wellness Energize
Dietary Supplement
Lead sponsor
Love Wellness
Industry
Eligibility
25 Years to 45 Years
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 Aug 14, 2026 · Synced Oct 18, 2026, 1:19 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

The Potassium Supplementation Study

NCT05887622
View directory record Official record
Conditions
Cardiovascular Health, Cardiovascular Risk Factor
Interventions
Potassium chloride supplement, Placebo
Dietary Supplement
Lead sponsor
University of Delaware
Other
Eligibility
18 Years to 45 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Newark, Delaware
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Oct 18, 2026, 1:19 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Vitamin/Mineral Supplement for Children and Adults With Autism

NCT01225198
View directory record Official record
Conditions
Autism
Interventions
Multi-Vitamin/Mineral Supplement, Liquid Placebo
Dietary Supplement · Other
Lead sponsor
Arizona State University
Other
Eligibility
3 Years to 60 Years
Enrollment
143 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Oct 20, 2010 · Synced Oct 18, 2026, 1:19 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Curves 30/30 Study

NCT04344821
View directory record Official record
Conditions
Weight Loss
Interventions
Curves Calcium, Placebo
Dietary Supplement
Lead sponsor
Texas A&M University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
College Station, Texas
Source: ClinicalTrials.gov public record
Updated Apr 15, 2020 · Synced Oct 18, 2026, 1:19 AM EDT
Not yet recruiting Phase 2 Interventional Accepts healthy volunteers

Value of Potassium Magnesium Citrate in Preventing and Treating Hypertension in African Americans

NCT05145309
View directory record Official record
Conditions
Hypertension
Interventions
KMgCit, Placebo
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
21 Years and older
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2032
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Dec 17, 2025 · Synced Oct 18, 2026, 1:19 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Study to Evaluate a Postbiotic in Supporting Weight Loss and Metabolic Health

NCT06911073
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 14, 2026 · Synced Oct 18, 2026, 1:19 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Salt Loading and Thiazide Intervention Study

NCT00896389
View directory record Official record
Conditions
Hypertension
Interventions
Salt loading, Hydrochlorothiazide (HCTZ)
Procedure · Drug
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 65 Years
Enrollment
124 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2013
U.S. locations
1
States / cities
Lancaster, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 25, 2022 · Synced Oct 18, 2026, 1:19 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Trial of the Ideal Protein System Versus Low Fat Diet for Weight Loss

NCT03515889
View directory record Official record
Conditions
Weight Loss
Interventions
Ideal Protein Weight Loss Method, Standard Weight Loss
Behavioral
Lead sponsor
Tulane University
Other
Eligibility
22 Years to 79 Years
Enrollment
192 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Bogalusa, Louisiana
Source: ClinicalTrials.gov public record
Updated Nov 22, 2024 · Synced Oct 18, 2026, 1:19 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effects of S. Boulardii and Amoxicillin/Clavulanate on Gut Microbiota

NCT01473368
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Saccharomyces boulardii, Amoxicillin Clavulanate
Dietary Supplement · Drug
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 4, 2017 · Synced Oct 18, 2026, 1:19 AM EDT
Terminated Not applicable Interventional

Early Administration of Long-acting Insulin Treatment of Diabetic Ketoacidosis in Pediatric Type 1 Diabetes

NCT02548494
View directory record Official record
Conditions
Diabetes Mellitus, Type 1, Diabetic Ketoacidosis
Interventions
Glargine, IV insulin, Electrolyte Correction, Correction of Fluid Loss
Drug · Other
Lead sponsor
Chattanooga-Hamilton County Hospital Authority
Other
Eligibility
1 Year to 21 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Chattanooga, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 23, 2020 · Synced Oct 18, 2026, 1:19 AM EDT
Completed Phase 3 Interventional

Pragmatic Pediatric Trial of Balanced Versus Normal Saline Fluid in Sepsis

NCT04102371
View directory record Official record
Conditions
Shock, Septic
Interventions
Lactated Ringer, Normal Saline, Plasma-lyte
Drug
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
2 Months to 17 Years
Enrollment
9,041 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
22
States / cities
Davis, California • Los Angeles, California • San Francisco, California + 19 more
Source: ClinicalTrials.gov public record
Updated Mar 5, 2026 · Synced Oct 18, 2026, 1:19 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effects of Pre-Run Nutritional Supplements During a Fixed-Pace 5 km Treadmill Run

NCT07854223
View directory record Official record
Conditions
Exercise Physiology, Nutritional Supplementation
Interventions
Caffeine, L-Citrulline, Exogenous Ketone (Beta-Hydroxybutyrate), placebo beverage
Dietary Supplement · Other
Lead sponsor
St. Louis University
Other
Eligibility
18 Years to 35 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 2, 2026 · Synced Oct 18, 2026, 1:19 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Enhanced Natural Killer Cell Activity and RBAC

NCT02019628
View directory record Official record
Conditions
Family Member
Interventions
Rice Bran Arabinoxylan Compound (RBAC)
Dietary Supplement
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Oct 10, 2023 · Synced Oct 18, 2026, 1:19 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Phosphorus Additives on the Metabolome in Healthy Adults

NCT03841786
View directory record Official record
Conditions
Metabolic Syndrome, Insulin Sensitivity, Cardiovascular Diseases
Interventions
Phosphorus-supplemented study diet, Control Diet
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 45 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Dec 29, 2022 · Synced Oct 18, 2026, 1:19 AM EDT