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Showing 1–24 of 293 matching trials from the live ClinicalTrials.gov search.
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Conditions
Chronic Pain, Inflammatory Response
Interventions
Nutritional Supplement, Placebo
Dietary Supplement · Other
Lead sponsor
Standard Process Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
3
States / cities
Charlotte, North Carolina • Kannapolis, North Carolina • Mooresville, North Carolina
Conditions
Head and Neck Cancer
Interventions
behavior
Behavioral
Lead sponsor
Edward Hines Jr. VA Hospital
Federal
Eligibility
30 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006
U.S. locations
2
States / cities
Hines, Illinois
Not listed Not applicable Interventional Accepts healthy volunteers

Dietary Supplementation on Gastrointestinal Barrier Function

NCT06262880
Conditions
Intestinal Permeability
Interventions
plant derived phenolics, Microcrystaline cellulose (MCC)
Dietary Supplement · Other
Lead sponsor
Brightseed
Industry
Eligibility
30 Years to 69 Years
Enrollment
126 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Addison, Illinois
Conditions
Gut Health, Bloating, Irregular Bowel Movements, Gastrointestinal Symptoms
Interventions
Active Supplement, Placebo Comparator
Dietary Supplement
Lead sponsor
Belli Welli Inc.
Industry
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Las Vegas, Nevada
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Clinical Study to Assess the Effects of Prebiotic and Probiotic Supplement

NCT06794619
Conditions
Healthy
Interventions
Placebo, Dietary Supplement with actives
Dietary Supplement
Lead sponsor
Olly, PBC
Industry
Eligibility
18 Years to 50 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
St. Petersburg, Florida
Recruiting Phase 2Phase 3 Interventional Accepts healthy volunteers

Effects of Ketone Supplement and Alcohol on Brain Metabolism

NCT06815237
Conditions
Ketosis, Alcohol Drinking, MRI
Interventions
Kenetik, Alcohol beverage
Dietary Supplement · Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
21 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Insulin Resistance, Mild Cognitive Impairment, Cognitive Decline, Neurodegenerative Disorders
Interventions
Sabroxy®, Placebo
Dietary Supplement · Other
Lead sponsor
SF Research Institute, Inc.
Network
Eligibility
40 Years to 80 Years
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
San Francisco, California
Conditions
Digestive Health, Skin Health, Energy, Vitality
Interventions
MultiMineral 102 Gummies
Dietary Supplement
Lead sponsor
Clean Nutraceuticals
Industry
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Las Vegas, Nevada
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of a Nutrition Supplement on Health Related Quality of Life

NCT04499560
Conditions
Sleep, Stress, Health, Subjective, Inflammation, Cognitive Symptom
Interventions
Supplement Drink
Dietary Supplement
Lead sponsor
Nutraceuticals Research Institute
Other
Eligibility
18 Years to 70 Years
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Franklin, Tennessee
Not listed Not applicable Interventional Accepts healthy volunteers

The Effects of an Oral Hair Supplement on Hair Density, Growth, and Microbiome

NCT06146166
Conditions
Hair Thinning
Interventions
Oral herbal supplement, Oral placebo supplement
Dietary Supplement
Lead sponsor
Integrative Skin Science and Research
Industry
Eligibility
25 Years to 65 Years · Female only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Sacramento, California
Conditions
Cardiac Fibrosis, Diastolic Dysfunction
Interventions
Pycnogenol, Placebo
Dietary Supplement
Lead sponsor
University of Arizona
Other
Eligibility
50 Years to 75 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Tucson, Arizona
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Magnesium Supplement for Sleep Quality in Women With Poor Sleep

NCT07708857
Conditions
Sleep Quality
Interventions
Magnesium Breakthrough, Placebo
Dietary Supplement
Lead sponsor
Jacksonville University
Other
Eligibility
35 Years to 60 Years · Female only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Jacksonville, Florida
Conditions
Delayed Onset Muscle Soreness
Interventions
Polyherbal capsule, Placebo capsule
Dietary Supplement
Lead sponsor
NewChapter, Inc.
Industry
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Burlington, Vermont
Active, not recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

Effect of a Daily Supplement on Plasma PAI-1 Levels

NCT07469475
Conditions
Aging, Endothelial Dysfunction, Senescence
Interventions
Supplement with ginger extract, L-citrulline, Paullinia cupana, and muira puama
Dietary Supplement
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
2
States / cities
Los Angeles, California • Santa Monica, California
Conditions
Cystic Fibrosis Related Bone Disease
Interventions
Estradiol 2 mg, Placebo
Drug · Other
Lead sponsor
Emory University
Other
Eligibility
18 Years and older · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Atlanta, Georgia
Conditions
Energy Metabolism, Heart Rate, Blood Pressure, Mood
Interventions
Sugar Pill (placebo), Caffeine (plus Teacrine and Cayenne), Caffeine (plus Teacrine)
Drug · Dietary Supplement
Lead sponsor
University of Mary Hardin-Baylor
Other
Eligibility
18 Years to 35 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Belton, Texas
Conditions
Low Libido, Sexual; Desire Absent
Interventions
Dietary Supplement: Libido Lift, Placebo
Dietary Supplement
Lead sponsor
Bio Nature Health
Industry
Eligibility
35 Years to 75 Years · Male only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Las Vegas, Nevada
Conditions
Poor Sleep Quality, Leg Cramps, Nocturnal
Interventions
Magnesium and melatonin based multi-ingredient dietary supplementation, Placebo
Dietary Supplement · Other
Lead sponsor
StudySetGo
Network
Eligibility
40 Years to 75 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Palm Beach Gardens, Florida
Completed Phase 2 Interventional Results available

Lipoic Acid Supplement for Cystine Stone

NCT02910531
Conditions
Cystinuria
Interventions
Alpha lipoic acid, Placebo
Dietary Supplement · Drug
Lead sponsor
Thomas Chi, MD
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
1
States / cities
San Francisco, California
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Nutritional Supplement, Eccentric Exercise and Recovery

NCT01444170
Conditions
Injury, Inflammation
Interventions
dicreatinol sulfate, placebo sugar pill
Dietary Supplement · Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 25 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Gainesville, Florida
Completed No phase listed Observational Accepts healthy volunteers

Bioavailability and Dosing of a Monosaccharide Supplement in Adults

NCT00782392
Conditions
Healthy Males
Interventions
Not listed
Lead sponsor
Arkansas Children's Hospital Research Institute
Other
Eligibility
18 Years to 28 Years · Male only
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2007
U.S. locations
1
States / cities
Little Rock, Arkansas
Completed Not applicable Interventional Accepts healthy volunteers

Nutritional Supplement Impact on Metabolic Parameters

NCT02349555
Conditions
Other Endocrine/Nutritional/Metabolic Disorder
Interventions
Nutritional Supplement Blend
Dietary Supplement
Lead sponsor
Pharmanex
Industry
Eligibility
30 Years to 70 Years
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
2
States / cities
Austin, Texas • Logan, Utah
Conditions
Food Selection
Interventions
Low FODMAP Oral Nutrition Supplement
Dietary Supplement
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 65 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Saint Paul, Minnesota
Conditions
Anti Aging
Interventions
Vitality product AM + Vitality product PM, Placebo
Dietary Supplement
Lead sponsor
Pharmanex
Industry
Eligibility
35 Years to 73 Years · Female only
Enrollment
95 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Orem, Utah