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ClinicalTrials.gov public records Last synced Oct 4, 2026, 3:10 AM EDT

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Showing 73–96 of 814 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Oral Nutritional Supplement Clear all
Withdrawn Phase 2 Interventional

Melatonin Supplementation to Improve Sleep in Patients With Heart Failure

NCT00869869
View directory record Official record
Conditions
Heart Failure, Sleep Disorders
Interventions
melatonin, placebo
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
35 Years to 75 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 19, 2018 · Synced Oct 4, 2026, 3:10 AM EDT
Withdrawn Early Phase 1 Interventional

Evaluating Pyrroloquinoline Quinone (PQQ) for Improving Obese Pregnancy Outcomes

NCT06245083
View directory record Official record
Conditions
Maternal Obesity
Interventions
Pyrroloquinoline quinone (PQQ), Placebo with soybean oil
Drug
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 40 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Feb 13, 2025 · Synced Oct 4, 2026, 3:10 AM EDT
Not yet recruiting Early Phase 1 Interventional

Lipid Mediators & Cancer: Montelukast, SPM, and Almonds

NCT06887673
View directory record Official record
Conditions
Colorectal Cancer, Sarcoma, Brain Tumors, Endometrial Cancer, Ovarian Cancer
Interventions
No Interventions, Sports Pro Resolve 4 g, Double Wood SPM 4 g, 20 California Sweet Almonds, Montelukast 10 Mg Oral Tablet, Montelukast 10 Mg Oral Tablet and SPM 4 g, Cold- Pressed Almond Oil 30 mL
Other · Dietary Supplement · Drug + 1 more
Lead sponsor
University of South Florida
Other
Eligibility
18 Years and older
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
2
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Mar 20, 2025 · Synced Oct 4, 2026, 3:10 AM EDT
Completed Not applicable Interventional Results available

Double-Blind Trial of a Probiotic Supplement to Reduce the Symptoms of Schizophrenia

NCT01242371
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Probiotic Supplement, Identical-appearing Placebo
Dietary Supplement
Lead sponsor
Sheppard Pratt Health System
Other
Eligibility
18 Years to 65 Years
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Towson, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 5, 2019 · Synced Oct 4, 2026, 3:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluating the Effect of a Supplement on Symptoms of Hormonal Imbalance.

NCT06535698
View directory record Official record
Conditions
Women's Health
Interventions
Perelel Health Hormonal Balance Support
Dietary Supplement
Lead sponsor
Perelel Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Aug 2, 2024 · Synced Oct 4, 2026, 3:10 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Intravenous Iron vs. Oral Iron Supplementation for Postpartum Anemia

NCT05047211
View directory record Official record
Conditions
Anemia, Iron Deficiency, Delivery Complication
Interventions
Ferrous sulfate, Iron dextran
Drug
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 29, 2023 · Synced Oct 4, 2026, 3:10 AM EDT
Recruiting Not applicable Interventional

Optimizing Integrative Oncology Approaches to Address Chemotherapy-induced Peripheral Neuropathy in Gastrointestinal (GI) Cancer Patients: A SMART Pilot Study

NCT07501663
View directory record Official record
Conditions
Peripheral Neuropathy
Interventions
Tai Chi/Qi Gong, α- Lipoic acid, Acupuncture
Behavioral · Dietary Supplement · Procedure
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Oct 4, 2026, 3:10 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

A Pilot Study to Evaluate the Ability of Lactoferrin to Modulate Iron Homeostasis and Exercise Performance in Exercising Females

NCT07546591
View directory record Official record
Conditions
Iron Deficiencies, Low Ferritin, Iron Deficiency, Exercise Performance of Fit Athletes
Interventions
Lactoferrin 100 mg, Lactoferrin 300 mg, Iron Supplementation (5 mg)
Dietary Supplement
Lead sponsor
Lindenwood University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Saint Charles, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 27, 2026 · Synced Oct 4, 2026, 3:10 AM EDT
Completed Phase 2 Interventional

A Study to Evaluate High Protein Supplementation in HIV-Positive Patients With Stable Weight Loss

NCT00000925
View directory record Official record
Conditions
HIV Infections, HIV Wasting Syndrome
Interventions
Optimune oral nutritional supplement
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1999
U.S. locations
18
States / cities
Los Angeles, California • San Francisco, California • Stanford, California + 12 more
Source: ClinicalTrials.gov public record
Updated Jul 29, 2013 · Synced Oct 4, 2026, 3:10 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Effects of PS-IPC Supplementation on Muscle Mass and Functional Outcomes in Older Adults

NCT00926250
View directory record Official record
Conditions
Immune Senescence, Sarcopenia
Interventions
Oral PS-IPC supplement, Placebo supplement
Dietary Supplement
Lead sponsor
University of Arkansas
Other
Eligibility
60 Years to 85 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Jan 18, 2012 · Synced Oct 4, 2026, 3:10 AM EDT
Completed Phase 3 Interventional Results available

Effect of Teriparatide on Hip Fracture Healing

NCT01473589
View directory record Official record
Conditions
Femur Neck Fracture
Interventions
Teriparatide, Placebo, Calcium supplementation, Vitamin D supplementation
Drug · Dietary Supplement
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
50 Years and older
Enrollment
122 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
24
States / cities
Phoenix, Arizona • Tucson, Arizona • La Mesa, California + 21 more
Source: ClinicalTrials.gov public record
Updated Apr 16, 2015 · Synced Oct 4, 2026, 3:10 AM EDT
Completed Not applicable Interventional

High-protein Oral Supplement Improves Normalized Protein Catabolic Rate and Inflammation Markers

NCT05227755
View directory record Official record
Conditions
Renal Failure, Chronic Kidney Disease Requiring Chronic Dialysis
Interventions
Soy protein isolate, Whey protein isolate
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 10, 2024 · Synced Oct 4, 2026, 3:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Randomized Controlled Trial to Evaluate the Safety and Efficacy of an Oral Supplement in Supporting Vision and Eye Health

NCT07123584
View directory record Official record
Conditions
Dry Eye, Eye Fatigue
Interventions
Eye Empower, Placebo
Dietary Supplement
Lead sponsor
Bio Nature Health
Industry
Eligibility
45 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Aug 14, 2025 · Synced Oct 4, 2026, 3:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effects of Oral Probiotic Supplementation on Group B Strep (GBS) Rectovaginal Colonization in Pregnancy

NCT01479478
View directory record Official record
Conditions
Infection, Pregnancy
Interventions
Placebo, Probiotic dietary supplement
Drug · Dietary Supplement
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 55 Years · Female only
Enrollment
251 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2017
U.S. locations
3
States / cities
Aptos, California • Santa Cruz, California • Stanford, California
Source: ClinicalTrials.gov public record
Updated Aug 20, 2018 · Synced Oct 4, 2026, 3:10 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

UCLA Magnesium Formulation Athlete Study

NCT07640685
View directory record Official record
Conditions
Athletic Performance, Recovery, Sleep
Interventions
Magnesium glycinate, Magnesium L-threonate, Placebo
Dietary Supplement · Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 35 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Oct 4, 2026, 3:10 AM EDT
Completed Not applicable Interventional

Memory Improvement With Docosahexaenoic Acid Study (MIDAS)

NCT00278135
View directory record Official record
Conditions
Age-Related Cognitive Decline, Age-Related Memory Disorders
Interventions
DHA (nutritional supplement) or placebo
Dietary Supplement
Lead sponsor
dsm-firmenich Switzerland AG
Industry
Eligibility
55 Years and older
Enrollment
485 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
14
States / cities
Mesa, Arizona • San Diego, California • Vista, California + 11 more
Source: ClinicalTrials.gov public record
Updated May 19, 2014 · Synced Oct 4, 2026, 3:10 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

COMP-4 Supplementation and Brachial Artery FMD

NCT05595915
View directory record Official record
Conditions
Aging, Endothelial Dysfunction, Senescence
Interventions
COMP-4
Dietary Supplement
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 39 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 9, 2026 · Synced Oct 4, 2026, 3:10 AM EDT
Completed Phase 3 Interventional Results available

High-protein Oral Supplement With Liposomal Curcumin in Adults Undergoing Hemodialysis.

NCT06381076
View directory record Official record
Conditions
Chronic Kidney Disease 5D
Interventions
Liposomal curcumin, Food colorant
Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jul 22, 2026 · Synced Oct 4, 2026, 3:10 AM EDT
Completed Phase 4 Interventional Results available

Effect of Probiotic Supplementation on Endothelial Function

NCT01952834
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
GoodBelly Probiotic, Vancomycin
Dietary Supplement · Drug
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
40 Years to 75 Years · Male only
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Milwauke, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jan 21, 2016 · Synced Oct 4, 2026, 3:10 AM EDT
Completed Phase 1Phase 2 Interventional Results available

A Trial of Bile Acid Supplementation in Patients With Multiple Sclerosis

NCT03423121
View directory record Official record
Conditions
Progressive Multiple Sclerosis
Interventions
Tauroursodeoxycholic Acid, Placebo oral capsule
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 3, 2023 · Synced Oct 4, 2026, 3:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Optimizing Vitamin D Nutrition in Healthy Adults

NCT00327847
View directory record Official record
Conditions
Vitamin D Deficiency
Interventions
Oral Vitamin D Supplementation
Drug
Lead sponsor
Winthrop University Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2006
U.S. locations
1
States / cities
Mineola, New York
Source: ClinicalTrials.gov public record
Updated Sep 25, 2008 · Synced Oct 4, 2026, 3:10 AM EDT
Recruiting Early Phase 1 Interventional

Acute and Chronic Effects of Oral Ketones in Subjects With HFrEF and Diabetes

NCT06108076
View directory record Official record
Conditions
Type 2 Diabetes, Heart Failure, Reduced Ejection Fraction
Interventions
Ketone Monoester (KE)
Drug
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years to 80 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jan 21, 2026 · Synced Oct 4, 2026, 3:10 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Comparison of Medical Nutritional Supplements

NCT01483976
View directory record Official record
Conditions
Elderly
Interventions
Oral medical nutritional supplement, Experimental oral medical nutritional supplement with AN777
Other
Lead sponsor
Abbott Nutrition
Industry
Eligibility
60 Years to 90 Years · Male only
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Jan 31, 2013 · Synced Oct 4, 2026, 3:10 AM EDT
Recruiting Not applicable Interventional

Resistance Exercise Combined With Protein Supplementation in People With Pancreatic Cancer: The RE-BUILD Trial

NCT05356117
View directory record Official record
Conditions
Pancreatic Cancer
Interventions
Resistance Training (RT) and Protein Supplementation (PS), Resistance Training (RT), Attention Control (AC
Behavioral
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 19, 2026 · Synced Oct 4, 2026, 3:10 AM EDT