- Conditions
- Adequate Vitamin C Status, Inadequate Vitamin C Status
- Interventions
- Vitamin C Supplement + Low Vitamin C Diet, Placebo + Low Vitamin C Diet
- Dietary Supplement
- Lead sponsor
- Ohio State University
- Other
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 34 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2028
- U.S. locations
- 1
- States / cities
- Columbus, Ohio
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Showing 1–24
of 1,372
matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
- Conditions
- Hypertension (Without Type 2 Diabetes Mellitus), High Blood Pressure, Male, Female, Adult, Cognition, Endothelial Function (Reactive Hyperemia), Oxidative Stress, Diet, Overweight, Body Composition Measurement, Gut Microbiome, Arterial Stiffness, Caucasian Whites, Inflammation, Microvascular Function
- Interventions
- Wild Blueberry, Placebo
- Dietary Supplement
- Lead sponsor
- Georgia State University
- Other
- Eligibility
- 45 Years to 65 Years
- Enrollment
- 40 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2027
- U.S. locations
- 1
- States / cities
- Atlanta, Georgia
- Conditions
- Acne
- Interventions
- Skin Nutraceutical Supplement, Placebo pill
- Dietary Supplement · Other
- Lead sponsor
- Nutraceutical Wellness Inc.
- Industry
- Eligibility
- 18 Years to 50 Years · Female only
- Enrollment
- 102 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024
- U.S. locations
- 1
- States / cities
- High Point, North Carolina
- Conditions
- Safety Issues, Tolerance
- Interventions
- Treatment 1, Treatment 2, Placebo
- Dietary Supplement
- Lead sponsor
- USANA Health Sciences
- Industry
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 18 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024
- U.S. locations
- 1
- States / cities
- Salt Lake City, Utah
- Conditions
- Weight Loss
- Interventions
- Probiotics, Placebo
- Dietary Supplement
- Lead sponsor
- Prisma Health-Upstate
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 151 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2010 – 2014
- U.S. locations
- 1
- States / cities
- Greenville, South Carolina
- Conditions
- Hypertension, Gut Dysbiosis, Overweight , Obesity
- Interventions
- Synbiotic, Placebo
- Dietary Supplement
- Lead sponsor
- Southern Utah University
- Other
- Eligibility
- 18 Years to 60 Years
- Enrollment
- 47 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025
- U.S. locations
- 1
- States / cities
- Cedar, Utah
- Conditions
- Metabolic Syndrome
- Interventions
- Supplement, Placebo
- Dietary Supplement · Other
- Lead sponsor
- Jeffrey B. Schwimmer, MD
- Other
- Eligibility
- 18 Years to 25 Years
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2023
- U.S. locations
- 1
- States / cities
- La Jolla, California
- Conditions
- Body Weight
- Interventions
- Control, Protein, Carbohydrate
- Dietary Supplement
- Lead sponsor
- United States Army Research Institute of Environmental Medicine
- Federal
- Eligibility
- 18 Years and older
- Enrollment
- 73 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2015
- U.S. locations
- 1
- States / cities
- Natick, Massachusetts
- Conditions
- IBS-D and Functional Dyspepsia
- Interventions
- Probiotic, Placebo
- Dietary Supplement
- Lead sponsor
- Sprim Advanced Life Sciences
- Other
- Eligibility
- 18 Years to 75 Years
- Enrollment
- 120 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2011
- U.S. locations
- 2
- States / cities
- Duluth, Georgia • Norfolk, Virginia
- Conditions
- Hypercholesterolemia
- Interventions
- Alirocumab, Placebo (for Alirocumab), Non-statin LMT, Diet Alone
- Drug · Other
- Lead sponsor
- Sanofi
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 233 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013 – 2017
- U.S. locations
- 8
- States / cities
- Beverly Hills, California • Atlantis, Florida • Jacksonville, Florida + 5 more
- Conditions
- Sleep Disturbance
- Interventions
- Dietary Supplement: Speed Sleep, Placebo
- Dietary Supplement
- Lead sponsor
- Bio Nature Health
- Industry
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 60 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024 – 2025
- U.S. locations
- 1
- States / cities
- Las Vegas, Nevada
- Conditions
- Obesity, Food Addiction
- Interventions
- Probiotic, Placebo
- Dietary Supplement
- Lead sponsor
- University of California, Los Angeles
- Other
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 100 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023 – 2027
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- Conditions
- Brain Concussion
- Interventions
- Branched Chain Amino Acids, Placebo solution
- Drug
- Lead sponsor
- Children's Hospital of Philadelphia
- Other
- Eligibility
- 11 Years to 34 Years
- Enrollment
- 42 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2023
- U.S. locations
- 1
- States / cities
- Philadelphia, Pennsylvania
- Conditions
- Microbial Composition, Immune Function
- Interventions
- Probiotic Capsule, Placebo
- Drug
- Lead sponsor
- Sheffield Hallam University
- Other
- Eligibility
- 18 Years to 40 Years · Male only
- Enrollment
- 30 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025 – 2026
- U.S. locations
- 1
- States / cities
- Nashville, Tennessee
- Conditions
- Cognitive Decline
- Interventions
- vitamin D3, omega-3 fatty acids (fish oil), Vitamin D3 placebo, Fish oil placebo
- Dietary Supplement · Drug
- Lead sponsor
- Brigham and Women's Hospital
- Other
- Eligibility
- 60 Years to 92 Years
- Enrollment
- 3,424 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2011 – 2021
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Gestational Diabetes
- Interventions
- Supplement
- Dietary Supplement
- Lead sponsor
- State University of New York at Buffalo
- Other
- Eligibility
- 18 Years to 40 Years · Female only
- Enrollment
- 4 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2019
- U.S. locations
- 1
- States / cities
- Buffalo, New York
- Conditions
- Hypercholesterolemia
- Interventions
- LIB003
- Biological
- Lead sponsor
- LIB Therapeutics LLC
- Industry
- Eligibility
- 18 Years to 70 Years
- Enrollment
- 63 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017 – 2018
- U.S. locations
- 1
- States / cities
- Cincinnati, Ohio
- Conditions
- Obesity, Insulin Resistance, Obesity in Diabetes, Nutritional and Metabolic Diseases, Hyperlipidemia, Hyperglycemia, Cardiovascular Diseases
- Interventions
- Placebo-Control, Low-Dose Vitamin K2 (menaquinone-7; 45-mcg/d), High-Dose Vitamin K2 (menaquinone-7; 90 mcg/d)
- Dietary Supplement
- Lead sponsor
- Augusta University
- Other
- Eligibility
- 8 Years to 17 Years
- Enrollment
- 30 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2016 – 2020
- U.S. locations
- 1
- States / cities
- Augusta, Georgia
- 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
- Mild Cognitive Impairment
- Interventions
- Memory XL, placebo
- Drug
- Lead sponsor
- University of Oklahoma
- Other
- Eligibility
- 55 Years to 85 Years
- Enrollment
- 10 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2011
- U.S. locations
- 2
- States / cities
- Oklahoma City, Oklahoma
- Conditions
- Obesity
- Interventions
- Prebiotic: soluble corn fiber, Placebo: maltodextrin
- Dietary Supplement
- Lead sponsor
- San Francisco Veterans Affairs Medical Center
- Federal
- Eligibility
- 18 Years to 75 Years · Female only
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2020
- U.S. locations
- 1
- States / cities
- San Francisco, California
- Conditions
- Aging, Wrinkle, Skin Elasticity, Healthy, Hydration
- Interventions
- FloraGLO Lutein, Safflower Oil
- Dietary Supplement
- Lead sponsor
- Kemin Foods LC
- Industry
- Eligibility
- 30 Years to 65 Years · Female only
- Enrollment
- 60 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2019 – 2020
- U.S. locations
- 1
- States / cities
- Port Chester, New York
- Conditions
- Healthy
- Interventions
- Flaxseed Lignans
- Dietary Supplement
- Lead sponsor
- Fred Hutchinson Cancer Center
- Other
- Eligibility
- 20 Years to 45 Years
- Enrollment
- 66 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2012 – 2017
- U.S. locations
- 1
- States / cities
- Seattle, Washington
- Conditions
- Asthma
- Interventions
- Docosahexaenoic Acid, Placebo Docosahexaenoic Acid
- Dietary Supplement
- Lead sponsor
- Indiana University
- Other
- Eligibility
- 18 Years to 40 Years
- Enrollment
- 16 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2011
- U.S. locations
- 1
- States / cities
- Bloomington, Indiana