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Showing 1–24 of 48 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Inorganic Nitrate Supplement on Blood Pressure

NCT03909789
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
Completed Not applicable Interventional Accepts healthy volunteers

An Exploratory Investigation of a Supplement to Promote Brain Health

NCT05520424
Conditions
Memory Deficits, Cognitive Change, Stress
Interventions
The Daily Supplement
Dietary Supplement
Lead sponsor
Parable
Industry
Eligibility
30 Years to 60 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Santa Monica, California
Conditions
Amyotrophic Lateral Sclerosis
Interventions
PolyMVA
Drug
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
Not listed
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Columbia, Missouri
Conditions
Diabetic Neuropathy
Interventions
Vegan diet and vitamin B12 supplement, Vitamin B12 supplement
Other · Dietary Supplement
Lead sponsor
Physicians Committee for Responsible Medicine
Other
Eligibility
18 Years to 65 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Conditions
Polycystic Ovary Syndrome, Premenstrual Syndrome
Interventions
Female Hormone Balance Supplement
Dietary Supplement
Lead sponsor
Rael
Industry
Eligibility
18 Years to 55 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Santa Monica, California
Completed Not applicable Interventional Accepts healthy volunteers Results available

Evaluation of Holotranscobalamin as an Indicator of Vitamin B12 Absorption

NCT00235573
Conditions
Disorder of Vitamin B12
Interventions
Vitamin B12
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 49 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005
U.S. locations
1
States / cities
Gainesville, Florida
Not listed Not applicable Interventional Accepts healthy volunteers

Vitamin Supplementation After Bariatric Surgery

NCT02686905
Conditions
Complications of Bariatric Procedures, Avitaminosis
Interventions
Chewable Multivitamin with Iron, PatchMD Vitamin D3/Calcium Patch, PatchMD Multivitamin Patch, PatchMD B12 Energy Plus Patch, Chewable Calcium, Quick Dissolve B12
Dietary Supplement
Lead sponsor
California State Polytechnic University, Pomona
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Brea, California
Conditions
Pain, Chronic, Opioid Dependence, Opioid Use, Inflammation Chronic
Interventions
Root.Health Dietary Supplement
Dietary Supplement
Lead sponsor
Hudson Medical
Other
Eligibility
Not listed
Enrollment
1 participant
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
New York, New York
Conditions
Depression
Interventions
Max Stress B, Placebo Max Stress B
Dietary Supplement
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
1
States / cities
Miami, Florida
Conditions
Acne, Premenstrual Syndrome
Interventions
Skincare Routine, MINDBODYSKIN Supplement
Other · Dietary Supplement
Lead sponsor
Clearstem Skincare
Industry
Eligibility
18 Years and older · Female only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Santa Monica, California
Conditions
HR-positive Breast Cancer
Interventions
Vitamin B12, Blood collection, Brief Pain Inventory - Short Form survey, FACT-ES Trial Outcome Index (Version 4), Questionnaire to Assess Adherence to Aromatase Inhibitors, Demographics Questionnaire
Dietary Supplement · Other
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
19 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Cleveland, Ohio
Conditions
Clonal Hematopoiesis
Interventions
high-fiber plant-based meals, fermented foods, supplements, surveys
Other · Dietary Supplement
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Recruiting Not applicable Interventional Accepts healthy volunteers

A Study of a Dietary Supplement on Serum Biomarkers in Children

NCT07385144
Conditions
Nutritional Status, Serum Biomarkers
Interventions
Dietary Supplement (Kids Multi & Omegas)
Dietary Supplement
Lead sponsor
SF Research Institute, Inc.
Network
Eligibility
4 Years to 15 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
San Francisco, California
Recruiting Phase 1 Interventional Accepts healthy volunteers

B-Complex: A Nutraceutical SANS Countermeasure

NCT05366933
Conditions
Optic Disc Edema, Endothelial Dysfunction
Interventions
Vitamin B-Complex Supplement
Drug
Lead sponsor
National Aeronautics and Space Administration (NASA)
Federal
Eligibility
20 Years to 100 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2032
U.S. locations
1
States / cities
Houston, Texas
Conditions
Cardiovascular Disease
Interventions
CardioLife
Dietary Supplement
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 90 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Salt Lake City, Utah
Conditions
Metabolism Disorder, Nutraceutical
Interventions
Diaberine, Placebo Capsule
Dietary Supplement
Lead sponsor
Ultimate International, Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Santa Monica, California
Conditions
Small Intestinal Bacterial Overgrowth Syndrome (SIBO), Small Intestinal Bacterial Overgrowth
Interventions
AV1PD1A
Dietary Supplement
Lead sponsor
National University of Natural Medicine
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Portland, Oregon
Conditions
Diabetic Neuropathy
Interventions
Vegan diet and vitamin B12 supplement, Vitamin B12 supplement
Other · Dietary Supplement
Lead sponsor
Physicians Committee for Responsible Medicine
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Conditions
Autistic Disorder
Interventions
B12, Placebo, folate, B complex, vitamin C, cod liver oil, Mineral complex, carnitine
Dietary Supplement
Lead sponsor
Arkansas Children's Hospital Research Institute
Other
Eligibility
3 Years to 7 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2016
U.S. locations
1
States / cities
Little Rock, Arkansas
Conditions
Alzheimer's Disease, Mild Cognitive Impairment
Interventions
Nutriceutical formulation, Placebo
Dietary Supplement · Other
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
40 Years and older
Enrollment
135 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
8
States / cities
Naples, Florida • Baltimore, Maryland • Ayer, Massachusetts + 5 more
Conditions
Health and Wellbeing
Interventions
Multivitamin Supplement
Dietary Supplement
Lead sponsor
Love Wellness
Industry
Eligibility
18 Years and older · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Santa Monica, California
Completed Not applicable Interventional Accepts healthy volunteers

An Exploratory Investigation of a B12 Vitamin to Increase Energy and Focus

NCT05517005
Conditions
B12 Deficiency Vitamin, Energy Supply; Deficiency, Mood
Interventions
Hype Bites Supplement
Dietary Supplement
Lead sponsor
Sourse
Industry
Eligibility
24 Years to 65 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Santa Monica, California
Completed Early Phase 1 Interventional Results available

Treatment of HFpEF With Nitrate Supplement

NCT03289481
Conditions
Heart Failure With Normal Ejection Fraction
Interventions
Active lozenge, Placebo
Dietary Supplement · Drug
Lead sponsor
MaineHealth
Other
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Rockport, Maine
Completed Not applicable Interventional Accepts healthy volunteers

Assessment of a Pre-Workout Dietary Supplement

NCT02952014
Conditions
Dietary Modification
Interventions
C4 Extreme, C4 Extreme (without Advantra Z, Placebo
Dietary Supplement
Lead sponsor
Texas A&M University
Other
Eligibility
18 Years to 40 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
College Station, Texas