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Showing 1–19 of 19 matching trials from the live ClinicalTrials.gov search.
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Vitamin D on 25-hydroxyvitamin D Levels and Physical Function

NCT02293187
Conditions
Vitamin D Deficiency, Sarcopenia
Interventions
vitamin D3, Placebo
Dietary Supplement · Other
Lead sponsor
Tufts University
Other
Eligibility
60 Years to 85 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers

Ranger Resilience and Improved Performance on Phospholipid Bound Omega-3's

NCT02908932
Conditions
Nutrition, Fatty Acids, Omega-3, Cognition, Resilience, Psychological, Psychology, Military
Interventions
Phospholipid-bound omega-3 supplement, Placebo supplement
Dietary Supplement
Lead sponsor
Medical University of South Carolina
Other
Eligibility
Not listed
Enrollment
555 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
3
States / cities
Fort Benning, Georgia • Bethesda, Maryland • Charleston, South Carolina
Conditions
Diabetes Mellitus, Diabetic Retinopathy
Interventions
EyePromise DVS, EyePromise DVS plus EyePromise EZTears
Dietary Supplement
Lead sponsor
ZeaVision, LLC
Industry
Eligibility
18 Years to 85 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Charlotte, North Carolina
Completed Phase 4 Interventional Results available

Preventing Osteoporosis Using Denosumab

NCT02753283
Conditions
Osteoporosis, Postmenopausal, Osteoporosis, Osteoporotic Fractures
Interventions
denosumab, Placebo, Calcium and Vitamin D
Drug · Dietary Supplement
Lead sponsor
Susan L. Greenspan
Other
Eligibility
65 Years and older
Enrollment
201 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Conditions
Recurrent Breast Cancer, Stage IA Breast Cancer, Stage IB Breast Cancer, Stage II Breast Cancer, Stage IIIA Breast Cancer, Stage IIIB Breast Cancer, Stage IIIC Breast Cancer
Interventions
omega-3 fatty acid supplement, Placebo, Clinical assessments, Assessment of therapy complications, Magnetic Resonance Imaging, Correlative/special studies
Dietary Supplement · Other · Procedure
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Columbus, Ohio
Conditions
Androgenetic Alopecia, Androgenic Alopecia, Telogen Effluvium, Thinning Hair, Hair Loss/Baldness, Hair Thinning
Interventions
ALRV5XR, ALRV5XR Shampoo, ALRV5XR Conditioner, ALRV5XR Hair Follicle Serum (Nutriment), Placebo, Placebo Shampoo, Placebo Conditioner, Placebo Hair Follicle Serum (Nutriment)
Dietary Supplement · Other
Lead sponsor
Arbor Life Labs
Industry
Eligibility
18 Years to 65 Years · Male only
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
San Francisco, California
Conditions
Hair Thinning
Interventions
Active Comparator- Xtressé™ Supplement and Serum, Placebo Comparator- Placebo Supplement and Serum
Dietary Supplement
Lead sponsor
The Center for Clinical and Cosmetic Research
Other
Eligibility
28 Years to 65 Years · Female only
Enrollment
85 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
2
States / cities
Birmingham, Alabama • Aventura, Florida
Completed Not applicable Interventional Accepts healthy volunteers

Iron Supplementation and Side Effects

NCT04018300
Conditions
Iron Deficiency Anemia, Iron Overload
Interventions
Ferrous sulfate, Aspiron, Placebo
Dietary Supplement · Other
Lead sponsor
Iowa State University
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Ames, Iowa
Recruiting Not applicable Interventional Accepts healthy volunteers

Gut Microbiota-dependent Health Impacts of Haskap Berries

NCT06546020
Conditions
Metabolic Disease, Inflammation, Microbial Colonization
Interventions
Haskap berry smoothie, Placebo comparator
Dietary Supplement
Lead sponsor
Montana State University
Other
Eligibility
35 Years to 65 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Bozeman, Montana
Terminated Phase 3 Interventional Accepts healthy volunteers Results available

Effects of a Supplement Derived From Palm Oil on Cholesterol Levels in the Blood

NCT02634606
Conditions
Hypercholesterolemia
Interventions
Gamma Delta Tocotrienols - Low Dose, Gamma Delta Tocotrienols - High Dose, Sugar Pill
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
35 Years to 70 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Sickle Cell Disease, Hb-SS Disease With Vasoocclusive Pain, Hemoglobin SS Disease With Vasoocclusive Crisis, Other Sickle Cell Disease With Vaso-Occlusive Pain, Hemoglobin SS Disease With Crisis
Interventions
Abciximab, Placebo, Intravenous hydration, Ibuprofen, Parenteral narcotic, Incentive spirometry, Supplemental oxygen
Drug · Other
Lead sponsor
St. Louis University
Other
Eligibility
5 Years to 25 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
St Louis, Missouri
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of Sports Supplements on Blood Flow

NCT04278053
Conditions
Determine the Effects of Nitrosigine and Citrulline-malate on Flow-mediated Dilation Among Young Adults
Interventions
inositol-stabilized arginine silicate
Dietary Supplement
Lead sponsor
University of Arkansas, Fayetteville
Other
Eligibility
18 Years to 29 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Fayetteville, Arkansas
Conditions
Androgenetic Alopecia, Androgenic Alopecia, Telogen Effluvium, Thinning Hair, Hair Loss/Baldness, Hair Thinning
Interventions
ALRV5XR, ALRV5XR Shampoo, ALRV5XR Conditioner, ALRV5XR Hair Follicle Serum (Nutriment), Placebo, Placebo Shampoo, Placebo Conditioner, Placebo Hair Follicle Serum (Nutriment)
Dietary Supplement · Other
Lead sponsor
Arbor Life Labs
Industry
Eligibility
18 Years to 65 Years · Female only
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
San Francisco, California
Conditions
Iron Deficiency (Without Anemia)
Interventions
Placebo, Ferrous sulfate
Dietary Supplement
Lead sponsor
Cornell University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
68 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000
U.S. locations
1
States / cities
Ithaca, New York
Completed Not applicable Interventional Accepts healthy volunteers

Supplement Study: Strength, Testosterone, Sexual Function, Quality of Life

NCT03457740
Conditions
Muscular Weakness, Sexual Behavior, Quality of Life
Interventions
Formula 1, Formula 2, Placebo
Dietary Supplement
Lead sponsor
Appalachian State University
Other
Eligibility
40 Years to 70 Years · Male only
Enrollment
118 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Kannapolis, North Carolina
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Effect of a Dietary Supplement Versus Placebo on Serum PFAS Levels in Male Firefighters

NCT07846371
Conditions
Environmental Exposure, PFAS Exposure
Interventions
Streptococcus salivarius 46-SL1, Placebo
Dietary Supplement
Lead sponsor
Cambiotics ApS
Industry
Eligibility
18 Years and older · Male only
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Chronic Kidney Diseases
Interventions
Visipaque, Placebos
Drug
Lead sponsor
GE Healthcare
Industry
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
17
States / cities
Birmingham, Alabama • Mesa, Arizona • Little Rock, Arkansas + 14 more
Conditions
Cholesterol Lowering
Interventions
Sugar Pill, Chinese Red Yeast Rice (CRYR), CRYR + TRF, Tocotrienol-enriched Fraction of Palm Oil (TRF)
Drug · Device
Lead sponsor
University of California, Los Angeles
Other
Eligibility
35 Years to 70 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Vitamin D Deficiency, Cystic Fibrosis
Interventions
High-Dose Vitamin D3, Stool Sample, Sputum Sample, Sham Comparator, Blood draw
Dietary Supplement · Other · Procedure
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Atlanta, Georgia