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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: omega-3 supplementation Clear all
Suspended Not applicable Interventional Accepts healthy volunteers

Effects of Fish Oil and Resistance Training on Muscle Mass and Function

NCT04245332
View directory record Official record
Conditions
Fat-free Masss, Muscle Strength, Neuromuscular Function
Interventions
Fish oil, Coconut oil
Dietary Supplement
Lead sponsor
Rowan University
Other
Eligibility
18 Years to 35 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Glassboro, New Jersey
Source: ClinicalTrials.gov public record
Updated Mar 9, 2021 · Synced Sep 28, 2026, 10:42 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Docosahexaenoic Acid (DHA) Supplementation in High Risk Pregnancies

NCT04069195
View directory record Official record
Conditions
Inflammation, Pregnancy Related
Interventions
DHA supplement, Corn Oil: Soybean Oil
Dietary Supplement
Lead sponsor
Walter Reed National Military Medical Center
Federal
Eligibility
18 Years and older · Female only
Enrollment
210 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 27, 2019 · Synced Sep 28, 2026, 10:42 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Bridging the Docosahexaenoic Acid (DHA) Gap: The Effects of Omega-3 Fatty Acid Supplementation in Premature Infants

NCT01908907
View directory record Official record
Conditions
Prematurity
Interventions
DHA oil, (MCT) Control oil
Dietary Supplement
Lead sponsor
Sanford Health
Other
Eligibility
24 Weeks to 33 Weeks
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Sioux Falls, South Dakota
Source: ClinicalTrials.gov public record
Updated Mar 20, 2019 · Synced Sep 28, 2026, 10:42 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Placebo Controlled Double Masked Clinical Assessment Study of Essential Fatty Acid Supplement and Its Effect on Patients With Apparent Aqueous Deficient Dry Eye Syndrome

NCT00344721
View directory record Official record
Conditions
Dry Eye Syndrome
Interventions
Omega-3 fatty acid supplement, Placebo
Dietary Supplement
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 90 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2008
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated May 13, 2018 · Synced Sep 28, 2026, 10:42 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Vitamin D and Omega-3 Adiposity Trial (VITAL Adiposity)

NCT01785004
View directory record Official record
Conditions
Adiposity
Interventions
Vitamin D3 (cholecalciferol), 2000 IU per day, omega-3 fatty acids (fish oil)
Dietary Supplement · Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
50 Years and older
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 12, 2021 · Synced Sep 28, 2026, 10:42 AM EDT
Completed Not applicable Interventional

Omega-3 Supplementation for Smell Dysfunction

NCT02529332
View directory record Official record
Conditions
Sellar/Parasellar Tumor, Smell Dysfunction
Interventions
Omega-3
Dietary Supplement
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
2
States / cities
Stanford, California • Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 20, 2018 · Synced Sep 28, 2026, 10:42 AM EDT
Completed Not applicable Interventional

Efficacy and Safety Study of Nutritional Supplements for Treatments of Dry Eye

NCT00883649
View directory record Official record
Conditions
Keratoconjunctivitis Sicca
Interventions
Hydroeye, Inactive Capsule
Dietary Supplement · Other
Lead sponsor
Virginia Eye Consultants
Other
Eligibility
40 Years and older · Female only
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2008
U.S. locations
2
States / cities
Houston, Texas • Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Feb 19, 2012 · Synced Sep 28, 2026, 10:42 AM EDT
Completed Phase 4 Interventional Results available

Omega-3 Supplementation to ADHD Medication in Children

NCT02204410
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder, Deficient Emotional Self-Regulation
Interventions
Omega-3 Fatty Acid, ADHD Medication
Dietary Supplement · Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
6 Years to 17 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 28, 2017 · Synced Sep 28, 2026, 10:42 AM EDT
Withdrawn No phase listed Observational

The Effect of Omega-3 Fatty Acid Supplementation on Intraocular Pressure & Ocular Surface

NCT02295358
View directory record Official record
Conditions
Open Angle Glaucoma, Ocular Hypertension
Interventions
Not listed
Lead sponsor
University of Colorado, Denver
Other
Eligibility
40 Years to 89 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 8, 2015 · Synced Sep 28, 2026, 10:42 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Omega-3 Supplementation in Prevention of Aromatase Inhibitor-Induced Toxicity in Patients With Stage I-III Breast Cancer

NCT02831582
View directory record Official record
Conditions
Arthralgia, Breast Neoplasms
Interventions
Omega-3 Fatty Acid, Placebo
Dietary Supplement · Other
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
3
States / cities
Duarte, California • Cleveland, Ohio • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 26, 2023 · Synced Sep 28, 2026, 10:42 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers Results available

Improving Maternal and Child Health Through Prenatal Fatty Acid Supplementation

NCT02647723
View directory record Official record
Conditions
Pregnancy, Child Development
Interventions
DHA, Sugar pill
Dietary Supplement
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 34 Years · Female only
Enrollment
168 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Sep 28, 2026, 10:42 AM EDT
Completed Not applicable Interventional Results available

Fish Oil and Nonalcoholic Fatty Liver Disease (NAFLD) Study

NCT01285362
View directory record Official record
Conditions
Non-Alcoholic Fatty Liver Disease
Interventions
Fish Oil Supplementation, Placebo Supplementation
Drug
Lead sponsor
Columbia University
Other
Eligibility
12 Years to 18 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 4, 2022 · Synced Sep 28, 2026, 10:42 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effects of Fish Oil on the Colon Mucosa

NCT01860352
View directory record Official record
Conditions
Physiological Effects of Fish Oil
Interventions
Fish OIl
Dietary Supplement
Lead sponsor
University of Michigan
Other
Eligibility
25 Years to 75 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Feb 28, 2017 · Synced Sep 28, 2026, 10:42 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Omega-3 Fatty Acid Supplementation to Prevent Preterm Birth in High Risk Pregnancies

NCT00135902
View directory record Official record
Conditions
Preterm Birth
Interventions
17 alpha-Hydroxyprogesterone Caproate and Omega-3 supplement, 17 alpha-hydroxy progesterone caproate and Placebo supplement
Drug
Lead sponsor
The George Washington University Biostatistics Center
Other
Eligibility
Female only
Enrollment
800 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
12
States / cities
Birmingham, Alabama • Chicago, Illinois • Detroit, Michigan + 9 more
Source: ClinicalTrials.gov public record
Updated Jul 11, 2019 · Synced Sep 28, 2026, 10:42 AM EDT
Completed Not applicable Interventional

Docosahexaenoic Acid in the Treatment of Autism

NCT00577447
View directory record Official record
Conditions
Autism
Interventions
docosahexaenoic acid (DHA), Placebo
Dietary Supplement
Lead sponsor
Mayo Clinic
Other
Eligibility
3 Years to 10 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 27, 2015 · Synced Sep 28, 2026, 10:42 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effects of Dietary Omega-3 Fatty Acids on Reproductive Hormones in Obese Women

NCT01894581
View directory record Official record
Conditions
Obesity, Fertility
Interventions
LOVAZA, GnRH
Dietary Supplement · Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 42 Years · Female only
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Feb 1, 2017 · Synced Sep 28, 2026, 10:42 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Dose Response Effects of Marine Omega-3 Fatty Acids on Inflammation

NCT01078909
View directory record Official record
Conditions
Cardiovascular Disease, Inflammation
Interventions
Eicosapentaenoic Acid and Docosahexaenoic Acid (EPA + DHA)
Biological
Lead sponsor
Penn State University
Other
Eligibility
20 Years to 45 Years
Enrollment
125 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 20, 2023 · Synced Sep 28, 2026, 10:42 AM EDT
Enrolling by invitation Not applicable Interventional

Virtual Lifestyle Intervention for Weight Management and Cardiovascular Heal

NCT07572721
View directory record Official record
Conditions
Cardiovascular Risk Factor
Interventions
Multicomponent Virtual Lifestyle Intervention
Behavioral
Lead sponsor
Truemedicine Inc
Other
Eligibility
30 Years to 60 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced Sep 28, 2026, 10:42 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Cardioprotective Effects of Omega-3 Fatty Acids Supplementation in Healthy Older Subjects Exposed to Air Pollution Particles

NCT01442480
View directory record Official record
Conditions
Healthy
Interventions
Fish oil, Olive oil
Dietary Supplement
Lead sponsor
Environmental Protection Agency (EPA)
Federal
Eligibility
50 Years to 75 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2016
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 7, 2025 · Synced Sep 28, 2026, 10:42 AM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers

Supplementation With Omega-3: Mechanism of Action

NCT02036307
View directory record Official record
Conditions
Hypertriglyceridemia
Interventions
DHA-enriched, EPA-enriched
Dietary Supplement
Lead sponsor
Johns Hopkins University
Other
Eligibility
20 Years to 75 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 28, 2017 · Synced Sep 28, 2026, 10:42 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Change in Omega 3 Index in Healthy Adults With OmeGo or a Standard Omega-3 Oil Supplement

NCT06802068
View directory record Official record
Conditions
Supplementation in Healthy Adults to Assess Impact on Omega 3 Index and Cardiometabolic Health
Interventions
whole salmon oil, Cod liver oil
Dietary Supplement
Lead sponsor
Hofseth Biocare ASA
Industry
Eligibility
40 Years to 80 Years
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
2
States / cities
Menlo Park, California • San Francisco, California
Source: ClinicalTrials.gov public record
Updated Feb 22, 2026 · Synced Sep 28, 2026, 10:42 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Pro-Resolving Mediators in Acute Inflammation in Humans

NCT04308889
View directory record Official record
Conditions
Inflammation; Skin, Resolution, Blister
Interventions
Lovaza, Cantharone, Phlebotomy
Drug · Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 64 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 25, 2022 · Synced Sep 28, 2026, 10:42 AM EDT
Completed Phase 4 Interventional

Supplementation in Adolescent Girls With Endometriosis

NCT02387931
View directory record Official record
Conditions
Endometriosis
Interventions
Vitamin D3, Fish Oil, Placebo
Dietary Supplement · Other
Lead sponsor
Boston Children's Hospital
Other
Eligibility
12 Years to 25 Years · Female only
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 30, 2016 · Synced Sep 28, 2026, 10:42 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Academic Stress and Proinflammatory Cytokines: Omega-3 Intervention

NCT00519779
View directory record Official record
Conditions
Stress-related Changes in Inflammation
Interventions
omega-3 supplementation, Oral omega-3 fish oil placebo
Dietary Supplement
Lead sponsor
National Center for Complementary and Integrative Health (NCCIH)
NIH
Eligibility
18 Years to 40 Years
Enrollment
68 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 26, 2012 · Synced Sep 28, 2026, 10:42 AM EDT