- Conditions
- Vitamin Deficiency, Mineral Deficiency, Aging
- Interventions
- Centrum Silver Mens' Formula, Control
- Dietary Supplement · Other
- Lead sponsor
- Oregon State University
- Other
- Eligibility
- 65 Years and older · Male only
- Enrollment
- 41 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2018 – 2021
- U.S. locations
- 1
- States / cities
- Corvallis, Oregon
Search Results
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Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.
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Showing 1–24
of 89
matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
- Conditions
- Premature, Preterm Infant Health, Vitamin A Deficiency, Human Milk, Breastfeeding
- Interventions
- Oral multivitamin containing vitamin A
- Dietary Supplement
- Lead sponsor
- University of Mississippi Medical Center
- Other
- Eligibility
- 18 Years to 45 Years
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2027
- U.S. locations
- 1
- States / cities
- Jackson, Mississippi
- Conditions
- Bone Health, Nutrition Status
- Interventions
- Ca/Vit D, Placebo
- Dietary Supplement · Other
- Lead sponsor
- United States Army Research Institute of Environmental Medicine
- Federal
- Eligibility
- 17 Years to 42 Years
- Enrollment
- 342 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2012 – 2018
- U.S. locations
- 2
- States / cities
- Fort Sill, Oklahoma • San Antonio, Texas
- Conditions
- School Feeding Programs and Nutrition Supplements
- Interventions
- protein powder supplement, Vitamins/minerals
- Dietary Supplement
- Lead sponsor
- Washington University School of Medicine
- Other
- Eligibility
- 6 Years to 9 Years
- Enrollment
- 1,041 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2016 – 2017
- U.S. locations
- 1
- States / cities
- St Louis, Missouri
- Conditions
- Migraines
- Interventions
- Vegan Diet, mixture of omega3 and vitamins
- Other · Dietary Supplement
- Lead sponsor
- Physicians Committee for Responsible Medicine
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 16 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2012
- U.S. locations
- 1
- States / cities
- Washington D.C., District of Columbia
- Conditions
- Weight Loss, Anovulation, Amenorrhea, Infertility
- Interventions
- Commercial Weight Loss Program
- Behavioral
- Lead sponsor
- Cornell University
- Other
- Eligibility
- 18 Years to 35 Years · Female only
- Enrollment
- 79 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2013 – 2023
- U.S. locations
- 1
- States / cities
- Ithaca, New York
- Conditions
- Noise-Induced Hearing Loss
- Interventions
- beta-carotene, vitamins C and E, magnesium, Placebo
- Drug · Other
- Lead sponsor
- University of Michigan
- Other
- Eligibility
- 18 Years to 35 Years
- Enrollment
- 72 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2008 – 2013
- U.S. locations
- 1
- States / cities
- Gainesville, Florida
- Conditions
- Colitis, Ulcerative, Crohn's Disease
- Interventions
- Nutrition support product
- Other
- Lead sponsor
- National University of Natural Medicine
- Other
- Eligibility
- 18 Years to 70 Years
- Enrollment
- 10 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016
- U.S. locations
- 1
- States / cities
- Portland, Oregon
- Conditions
- Environmental Enteric Dysfunction, Zinc Deficiency
- Interventions
- Micronutrient Powder (MNP) + 15 mg Zn, MNP + 10 mg Zn, MNP + 5 mg Zn, MNP without Zn
- Dietary Supplement
- Lead sponsor
- University of Colorado, Denver
- Other
- Eligibility
- 18 Months to 24 Months
- Enrollment
- 80 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2015 – 2019
- U.S. locations
- 1
- States / cities
- Aurora, Colorado
- Conditions
- Burn
- Interventions
- Vitamin and Mineral supplementation
- Dietary Supplement
- Lead sponsor
- Southern Illinois University
- Other
- Eligibility
- 19 Years and older
- Enrollment
- 28 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2011
- U.S. locations
- 1
- States / cities
- Springfield, Illinois
- Conditions
- Obesity, Blood Glucose, High
- Interventions
- Micronutrient-dense plant-rich Intervention
- Behavioral
- Lead sponsor
- Northern Arizona University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 146 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023 – 2025
- U.S. locations
- 1
- States / cities
- Flagstaff, Arizona
- Conditions
- Alzheimer Disease
- Interventions
- Ketogenic Diet, Therapeutic Lifestyles Changes Diet
- Behavioral
- Lead sponsor
- University of Kansas Medical Center
- Other
- Eligibility
- 50 Years to 90 Years
- Enrollment
- 84 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2025
- U.S. locations
- 1
- States / cities
- Fairway, Kansas
- Conditions
- Obesity
- Interventions
- BMI-based prenatal vitamin, Standard prenatal vitamin
- Dietary Supplement
- Lead sponsor
- Brigham and Women's Hospital
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 146 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2014 – 2025
- U.S. locations
- 2
- States / cities
- Boston, Massachusetts
- Conditions
- Iron
- Interventions
- Ferrous sulfate, IHAT, Aspiron, Placebo
- Dietary Supplement · Other
- Lead sponsor
- Tufts University
- Other
- Eligibility
- 50 Years to 80 Years
- Enrollment
- 226 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017 – 2022
- U.S. locations
- 2
- States / cities
- Boston, Massachusetts
- Conditions
- Pre-Eclampsia, Obesity, Gestational Diabetes, Gestational Hypertension
- Interventions
- Women's Health Delaware Food Farmacy, Usual Standard of Care
- Other
- Lead sponsor
- Christiana Care Health Services
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 250 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2025
- U.S. locations
- 1
- States / cities
- Newark, Delaware
- Conditions
- Morbid Obesity
- Interventions
- Very low calorie diet
- Dietary Supplement
- Lead sponsor
- Christiana Care Health Services
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 58 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2018 – 2020
- U.S. locations
- 1
- States / cities
- Newark, Delaware
- Conditions
- Inattention, Impulsivity, Anxiety
- Interventions
- Whole Food, Nutrient-Dense Dietary Intervention, Standard of Care
- Behavioral
- Lead sponsor
- Oregon Health and Science University
- Other
- Eligibility
- 18 Years to 50 Years · Female only
- Enrollment
- 24 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2012 – 2014
- U.S. locations
- 1
- States / cities
- Portland, Oregon
- Conditions
- Poor Nutrition
- Interventions
- Food Product 1
- Other
- Lead sponsor
- University of California, Davis
- Other
- Eligibility
- 9 Years to 60 Years
- Enrollment
- 20 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017
- U.S. locations
- 1
- States / cities
- Davis, California
- Conditions
- Neural Tube Defects, Folic Acid Deficiency, Spina Bifida, Anencephaly-Spina Bifida, B12 Deficiency Vitamin, Anemia, Iron Deficiency Anaemia Due to Dietary Causes
- Interventions
- Micronutrient fortified iodized salt
- Dietary Supplement
- Lead sponsor
- Hydrocephalus and Neuroscience Institute
- Other
- Eligibility
- 18 Years to 45 Years · Female only
- Enrollment
- 200 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022
- U.S. locations
- 1
- States / cities
- Orlando, Florida
- Conditions
- Folate Deficiency, Neural Tube Defects
- Interventions
- Fortified Iodized Salt with Folic Acid (FISFA)
- Dietary Supplement
- Lead sponsor
- University of Alabama at Birmingham
- Other
- Eligibility
- 18 Years to 45 Years · Female only
- Enrollment
- 250 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2026 – 2028
- U.S. locations
- 1
- States / cities
- Birmingham, Alabama
- Conditions
- Metastatic Hepatocellular Carcinoma, Advanced Liver Cancer
- Interventions
- Ascorbic Acid + Sorafenib, Sorafenib
- Drug
- Lead sponsor
- Thomas Jefferson University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 5 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2016
- U.S. locations
- 1
- States / cities
- Philadelphia, Pennsylvania
- Conditions
- Burnout, Professional, Stress, Psychological
- Interventions
- MagnéVie B6®, Placebo
- Dietary Supplement · Other
- Lead sponsor
- Nutraceuticals Research Institute
- Other
- Eligibility
- 20 Years to 59 Years · Female only
- Enrollment
- 88 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2023
- U.S. locations
- 1
- States / cities
- Franklin, Tennessee
- Conditions
- Bipolar Disorder
- Interventions
- MCN36 (nutritional supplement), Placebo
- Drug
- Lead sponsor
- University of Calgary
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 40 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2005 – 2009
- U.S. locations
- 1
- States / cities
- San Diego, California
- Conditions
- Obesity, Overweight, Adiposity
- Interventions
- Fit4Duty, Nutrition Education
- Behavioral · Other
- Lead sponsor
- Henry M. Jackson Foundation for the Advancement of Military Medicine
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 119 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2014 – 2017
- U.S. locations
- 2
- States / cities
- Bethesda, Maryland • Tacoma, Washington