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ClinicalTrials.gov public records Last synced Oct 17, 2026, 7:37 AM EDT

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Showing 1–24 of 3,495 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: nutritional supplementation Clear all
Completed Phase 3 Interventional

Effects of Teriparatide in the Treatment of Postmenopausal Women With Osteoporosis

NCT00670501
View directory record Official record
Conditions
Osteoporosis, Postmenopausal
Interventions
teriparatide, Placebo, Calcium Supplement, Vitamin D Supplement
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
30 Years to 85 Years · Female only
Enrollment
1,637 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 1999
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 1, 2008 · Synced Oct 17, 2026, 7:37 AM EDT
Suspended Phase 2Phase 3 Interventional

Effects of 5HTP and LDOPA on CNS Excitability After SCI

NCT04000919
View directory record Official record
Conditions
Spinal Cord Injuries
Interventions
5HTP, L-DOPA, Placebo oral tablet, Carbidopa
Drug
Lead sponsor
Jessica M D'Amico
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Oct 17, 2022 · Synced Oct 17, 2026, 7:37 AM EDT
Recruiting Phase 4 Interventional

Oral Iron Supplementation on Alternate vs. Consecutive Days for Iron Deficiency Anemia in Pregnancy

NCT06492512
View directory record Official record
Conditions
Iron-deficiency Anemia (IDA), Pregnancy
Interventions
daily ferrous sulfate with an equivalent elemental iron dose of 65 mg per pill, alternate day ferrous sulfate with an equivalent elemental iron dose of 65 mg per pill
Drug
Lead sponsor
Southern Illinois University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Springfield, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 24, 2026 · Synced Oct 17, 2026, 7:37 AM EDT
Completed Early Phase 1 Interventional

Carbamylation in Renal Disease-modulation With Amino Acid Therapy

NCT01612429
View directory record Official record
Conditions
End Stage Renal Failure on Dialysis
Interventions
Amino acid supplementation
Dietary Supplement
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 10, 2016 · Synced Oct 17, 2026, 7:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Soy Isoflavones Supplementation in Treating Women at High Risk For or With Breast Cancer

NCT01219075
View directory record Official record
Conditions
BRCA1 Mutation Carrier, BRCA2 Mutation Carrier, Ductal Breast Carcinoma in Situ, Lobular Breast Carcinoma in Situ, Stage IA Breast Cancer, Stage IB Breast Cancer, Stage II Breast Cancer, Stage IIIA Breast Cancer, Stage IIIB Breast Cancer
Interventions
soy isoflavones, placebo, questionnaire administration, magnetic resonance imaging, biopsy, immunohistochemistry staining method, laboratory biomarker analysis, mammography
Dietary Supplement · Other · Procedure
Lead sponsor
University of Southern California
Other
Eligibility
30 Years to 75 Years · Female only
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2022
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 18, 2023 · Synced Oct 17, 2026, 7:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Trial of an Herb and Mineral Combination Product on Fasting Glucose in Adults at Risk for Developing Diabetes

NCT02146157
View directory record Official record
Conditions
Prediabetes
Interventions
herb and mineral combination product, Placebo
Dietary Supplement
Lead sponsor
NewChapter, Inc.
Industry
Eligibility
18 Years and older
Enrollment
104 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
6
States / cities
Chicago, Illinois • Lexington, Kentucky • Bingham Farms, Michigan + 3 more
Source: ClinicalTrials.gov public record
Updated Oct 14, 2015 · Synced Oct 17, 2026, 7:37 AM EDT
Completed Not applicable Interventional

Glycemic Response in Persons with Type 2 Diabetes

NCT04413357
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
Balanced Nutritional Drink, Diabetes Specific, Balanced Nutritional Drink (DMA), Diabetes Specific, Balanced Nutritional Drink DMB
Other
Lead sponsor
Société des Produits Nestlé (SPN)
Industry
Eligibility
20 Years to 75 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Tustin, California
Source: ClinicalTrials.gov public record
Updated Oct 21, 2024 · Synced Oct 17, 2026, 7:37 AM EDT
Completed Phase 3 Interventional Results available

Vitamin D Supplementation in Multiple Sclerosis

NCT01490502
View directory record Official record
Conditions
Relapsing Remitting Multiple Sclerosis
Interventions
Vitamin D3
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 50 Years
Enrollment
172 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2021
U.S. locations
16
States / cities
Carmichael, California • San Francisco, California • Stanford, California + 12 more
Source: ClinicalTrials.gov public record
Updated Sep 28, 2022 · Synced Oct 17, 2026, 7:37 AM EDT
Completed Not applicable Interventional Results available

Supplement to Hospital to Home Outcomes

NCT03224130
View directory record Official record
Conditions
Hospitalized Patients
Interventions
Nurse Phone Call, Standard of Care
Other
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
Up to 18 Years
Enrollment
966 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 16, 2019 · Synced Oct 17, 2026, 7:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of a Short Course of Gamma Tocopherol Supplementation in Adult Subjects

NCT02610829
View directory record Official record
Conditions
Gamma Tocopherol Serum Levels
Interventions
Gamma tocopherol
Dietary Supplement
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 50 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 27, 2018 · Synced Oct 17, 2026, 7:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

MitoQ & Cardiopulmonary Responses During Exercise

NCT06069245
View directory record Official record
Conditions
Healthy
Interventions
MitoQ, Placebo
Dietary Supplement
Lead sponsor
Ball State University
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Muncie, Indiana
Source: ClinicalTrials.gov public record
Updated Oct 5, 2023 · Synced Oct 17, 2026, 7:37 AM EDT
Withdrawn Phase 2Phase 3 Interventional

GetHealthy-OA: A Program to Improve Pain and Function for Patients With Knee Osteoarthritis, Obesity, and Depression

NCT05482672
View directory record Official record
Conditions
Knee Osteoarthritis, Obese, Depression
Interventions
Fisetin, GetHealthy-OA mind-body program, Placebo oral capsule, Health education booklet
Drug · Behavioral
Lead sponsor
Cale Andrew Jacobs, PhD
Other
Eligibility
40 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
2
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated May 1, 2023 · Synced Oct 17, 2026, 7:37 AM EDT
Completed No phase listed Observational

Physician-Patient Communication Project

NCT01530867
View directory record Official record
Conditions
Dietary Supplements
Interventions
Not listed
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
456 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
5
States / cities
Los Angeles, California • Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Jun 6, 2013 · Synced Oct 17, 2026, 7:37 AM EDT
Suspended Phase 4 Interventional

Hydroxychloroquine in Patients With Newly Diagnosed COVID-19 Compared to Standard of Care

NCT04334967
View directory record Official record
Conditions
COVID-19, Corona Virus Infection, SARS-CoV-2, 2019-nCoV, 2019 Novel Coronavirus
Interventions
Hydroxychloroquine, Vitamin C
Drug · Dietary Supplement
Lead sponsor
Providence Health & Services
Other
Eligibility
45 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Sep 16, 2020 · Synced Oct 17, 2026, 7:37 AM EDT
Completed Not applicable Interventional

Measuring Eating, Activity and Strength: Understanding the Response -Using Protein

NCT01715753
View directory record Official record
Conditions
Weight Loss
Interventions
Protein supplementation, Diet counseling and group education lessons
Dietary Supplement · Behavioral
Lead sponsor
Duke University
Other
Eligibility
60 Years and older
Enrollment
71 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 12, 2018 · Synced Oct 17, 2026, 7:37 AM EDT
Withdrawn Phase 1 Interventional Accepts healthy volunteers

O2 Transport and Utilization in Health and Lung Disease

NCT04014712
View directory record Official record
Conditions
COPD, Tetrahydrobiopterin Deficiency, Oxidative Stress
Interventions
Tetrahydrobiopterin, Placebo oral tablet
Drug
Lead sponsor
University of Massachusetts, Amherst
Other
Eligibility
18 Years to 85 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Amherst, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 19, 2023 · Synced Oct 17, 2026, 7:37 AM EDT
Terminated Phase 2 Interventional Results available

Glutamine in Preventing Peripheral Neuropathy in Patients With Multiple Myeloma Receiving Bortezomib

NCT01783522
View directory record Official record
Conditions
Chemotherapeutic Agent Toxicity, Multiple Myeloma, Peripheral Neuropathy
Interventions
glutamine, quality-of-life assessment, placebo
Drug · Other
Lead sponsor
Beth Faiman
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 22, 2019 · Synced Oct 17, 2026, 7:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Metabolic Health 1: Power Line Evaluation; Effect Size Determination

NCT06486077
View directory record Official record
Conditions
Metabolic Health
Interventions
Power Line Program
Dietary Supplement
Lead sponsor
Nature's Sunshine Products, Inc.
Industry
Eligibility
18 Years to 64 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Lehi, Utah
Source: ClinicalTrials.gov public record
Updated Feb 27, 2026 · Synced Oct 17, 2026, 7:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of L-citrulline Supplementation on Vascular Function in Metabolic Syndrome

NCT06025357
View directory record Official record
Conditions
Metabolic Syndrome, Menopause
Interventions
L-Citrulline supplementation, Placebo
Dietary Supplement
Lead sponsor
Texas Tech University
Other
Eligibility
45 Years to 79 Years · Female only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated May 15, 2025 · Synced Oct 17, 2026, 7:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Iron Depletion and Replacement in Blood Donors

NCT01752413
View directory record Official record
Conditions
Anemia
Interventions
Ferrous gluconate 325mg, Nutrition counseling
Dietary Supplement · Behavioral
Lead sponsor
Memorial Blood Centers, Minnesota
Other
Eligibility
18 Years and older
Enrollment
197 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 28, 2021 · Synced Oct 17, 2026, 7:37 AM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Vitamin D Supplementation in HIV Youth

NCT01523496
View directory record Official record
Conditions
HIV Infections
Interventions
Vitamin D control dose, Vitamin D supplementation-
Drug
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
8 Years to 25 Years
Enrollment
190 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2016
U.S. locations
2
States / cities
Atlanta, Georgia • Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 8, 2018 · Synced Oct 17, 2026, 7:37 AM EDT
Not listed Not applicable Interventional

Study to Evaluate the Effect of RGMA001 on Patients With Non Alcoholic Fatty Liver Disease (NAFLD)

NCT01511523
View directory record Official record
Conditions
Non Alcoholic Fatty Liver Disease
Interventions
RGMA001, Sugar Pill
Dietary Supplement
Lead sponsor
Biovil Research Group, LLC
Industry
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
1
States / cities
Fayetteville, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 16, 2012 · Synced Oct 17, 2026, 7:37 AM EDT
Completed Phase 4 Interventional Results available

Mechanism of Action Study for Psoriasis

NCT00932113
View directory record Official record
Conditions
Psoriasis
Interventions
Methotrexate, Adalimumab (Humira)
Drug
Lead sponsor
Tufts Medical Center
Other
Eligibility
18 Years to 85 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2017
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 31, 2017 · Synced Oct 17, 2026, 7:37 AM EDT
Completed Not applicable Interventional

Effect of Curcumin on Gut Microbiota in IBS

NCT03568513
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Curcumin, Placebo
Dietary Supplement
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
10 Years to 18 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Feb 21, 2021 · Synced Oct 17, 2026, 7:37 AM EDT