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Showing 1–24 of 118 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Ingestion of protein Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Moringa Supplementation for Improved Milk Output

NCT05333939
View directory record Official record
Conditions
Breastfeeding
Interventions
Moringa leaf powder, Placebo
Dietary Supplement · Other
Lead sponsor
University of Kentucky
Other
Eligibility
0 Months and older
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Oct 16, 2024 · Synced Sep 21, 2026, 4:24 AM EDT
Completed Phase 2 Interventional Results available

Study of Milk Allergy and Tolerance in Children

NCT00778258
View directory record Official record
Conditions
Food Hypersensitivity, Milk Hypersensitivity
Interventions
Baked Milk, Non-baked Milk
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
4 Years to 10 Years
Enrollment
170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 29, 2016 · Synced Sep 21, 2026, 4:24 AM EDT
Completed Phase 1 Interventional Results available

Boiled Peanut Oral Immunotherapy

NCT04090203
View directory record Official record
Conditions
Peanut Hypersensitivity
Interventions
Boiled Peanut Powder
Drug
Lead sponsor
Alton Melton
Other
Eligibility
1 Year to 16 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Sep 21, 2026, 4:24 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Blood Nitrate/Nitrite Concentrations Following Acute Ingestion of Resync in Men and Women

NCT04125940
View directory record Official record
Conditions
Healthy
Interventions
Resync, Resync + Collagen, Placebo
Dietary Supplement · Other
Lead sponsor
University of Memphis
Other
Eligibility
18 Years to 50 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 27, 2021 · Synced Sep 21, 2026, 4:24 AM EDT
Completed Phase 4 Interventional

Combination of Sulfonylureas and Insulin Glargine Outpatient Therapy for Unstable Diabetes and Impending DKA

NCT00732524
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
Glipizide, Glipizide and Glargine
Drug
Lead sponsor
Cook County Health
Government
Eligibility
18 Years to 75 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 11, 2008 · Synced Sep 21, 2026, 4:24 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Time Restricted Feeding on Daily Protein Requirements

NCT05610644
View directory record Official record
Conditions
Nutrition Disorders in Old Age
Interventions
isocaloric, isonitrogenous meals
Other
Lead sponsor
University of Arkansas
Other
Eligibility
50 Years to 75 Years
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Dec 19, 2024 · Synced Sep 21, 2026, 4:24 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Microbial Protease Supplementation on Postprandial Amino Acid Levels

NCT04821557
View directory record Official record
Conditions
Protein Metabolism
Interventions
Protease + Protein, Placebo + Protein
Dietary Supplement
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
20 Years to 50 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 4, 2024 · Synced Sep 21, 2026, 4:24 AM EDT
Withdrawn Not applicable Interventional

Exercise and Nutritional Intervention for Deconditioned Older Adults

NCT01115530
View directory record Official record
Conditions
Muscle Weakness
Interventions
Resistance exercise, Protein and HMB (see below) supplement
Other · Dietary Supplement
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
65 Years to 90 Years · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
No. Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Apr 12, 2012 · Synced Sep 21, 2026, 4:24 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of Nutritional Supplementation on Occupational Performance in Firefighters

NCT06172543
View directory record Official record
Conditions
Fatigue
Interventions
Creatine Monohydrate, Control
Dietary Supplement
Lead sponsor
Ward Dobbs
Other
Eligibility
18 Years to 55 Years · Male only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
La Crosse, Wisconsin
Source: ClinicalTrials.gov public record
Updated Dec 14, 2023 · Synced Sep 21, 2026, 4:24 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Resistance Training and Milk Supplementation

NCT04509297
View directory record Official record
Conditions
Muscular Hypertrophy
Interventions
high protein milk, Placebo
Dietary Supplement
Lead sponsor
Marymount University
Other
Eligibility
18 Years to 35 Years · Male only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Arlington, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 11, 2020 · Synced Sep 21, 2026, 4:24 AM EDT
Withdrawn Phase 2 Interventional

Immunonutrition to Reduce Toxicities in Non-Small Cell Lung Cancer

NCT03628144
View directory record Official record
Conditions
Non Small Cell Lung Cancer, NSCLC, Non-small Cell Lung Cancer, Non-small Cell Lung Cancer Stage IIIB, Non-small Cell Lung Cancer Stage ⅢA, NSCLC Stage IIIB, NSCLC, Stage IIIA
Interventions
Impact® Advanced Recovery, Boost® High Protein, Radiation Therapy, Chemotherapy, Quality of life (EORTC-QLQ-30), Evaluation of Cognitive Function (FACT-Cog, v. 3.0), Mindfulness Questionnaire (FFMQ)
Dietary Supplement · Radiation · Drug + 1 more
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Sep 9, 2020 · Synced Sep 21, 2026, 4:24 AM EDT
Withdrawn Phase 4 Interventional

Effects of Varenicline in Heavy Drinking Smokers

NCT02488889
View directory record Official record
Conditions
Cigarette Smoking, Alcohol Consumption
Interventions
Varenicline, Placebo pill (for varenicline), Alcohol, placebo beverage (for alcohol)
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
21 Years to 55 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 31, 2018 · Synced Sep 21, 2026, 4:24 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Nutritional Strategies to Augment the Postprandial Muscle Protein Synthetic Response to the Ingestion of a Low Dose of Protein in Middle-aged Women

NCT02918981
View directory record Official record
Conditions
Aging
Interventions
Resistance Exercise, 14 g Whey protein, 6.6 g Whey protein + 1.25 g leucine, 4 g Whey protein + 1.25 g leucine + 2.6 g Whey peptides, 6.6 g Whey protein + 1.25 g leucine + 0.8 g Citrulline, Water control
Behavioral · Dietary Supplement · Other
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
20 Years to 79 Years · Female only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 2, 2020 · Synced Sep 21, 2026, 4:24 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Regulation of FGF21 by Nutritional Challenges

NCT00968747
View directory record Official record
Conditions
Fasting, Non-alcoholic Fatty Liver Disease (NAFLD)
Interventions
Fasting, Diet, oral carbohydrate challenge
Behavioral · Dietary Supplement
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 60 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 13, 2023 · Synced Sep 21, 2026, 4:24 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Stable Isotopes- Adults With Obesity

NCT07020741
View directory record Official record
Conditions
Obese Patients (BMI ≥ 30 kg/m²), Glucose Metabolism, Protein Metabolism
Interventions
Indispensable Amino Acid Oxidation, Stable Isotope Oral Glucose Tolerance Test
Procedure
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
19 Years to 59 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced Sep 21, 2026, 4:24 AM EDT
Completed Not applicable Interventional

Effects of Exercise in People With Tetraplegia

NCT01202019
View directory record Official record
Conditions
Spinal Cord Injury, Tetraplegia
Interventions
Circuit Resistance Training (CRT)
Other
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 55 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jul 21, 2014 · Synced Sep 21, 2026, 4:24 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Essential Amino Acids and High Intensity Interval Training

NCT04080102
View directory record Official record
Conditions
Cardiovascular Risk Factor, Obesity
Interventions
High Intensity Interval Training, Essential Amino Acid, High intensity interval training and essential amino acid supplement
Other · Dietary Supplement
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
30 Years to 50 Years
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 29, 2020 · Synced Sep 21, 2026, 4:24 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Chronic Thermogenic Dietary Supplement Consumption

NCT05619809
View directory record Official record
Conditions
Body Composition Changes, Body Weight Changes, Anthropometric Changes, Metabolism Changes, Hemodynamic Changes
Interventions
Thermogenic dietary supplement, Protein supplement, Placebo supplement
Dietary Supplement
Lead sponsor
Texas Tech University
Other
Eligibility
18 Years to 40 Years
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated Oct 9, 2023 · Synced Sep 21, 2026, 4:24 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Apoptotic Cell (AC) Uptake by Human Alveolar Macrophages (AM)

NCT01099410
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Fiberoptic bronchoscopy, blood draw, intravenous catheter
Procedure
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 80 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2015
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 5, 2016 · Synced Sep 21, 2026, 4:24 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Muscle Protein Synthesis After Whole Egg vs. Egg White Consumption

NCT03117127
View directory record Official record
Conditions
Hypertrophy
Interventions
Resistance Exercise, Whole Eggs, Egg Whites
Behavioral · Other
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
18 Years to 35 Years · Male only
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 30, 2018 · Synced Sep 21, 2026, 4:24 AM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Improving Therapeutic Learning for PTSD

NCT04558112
View directory record Official record
Conditions
PTSD, Post Traumatic Stress Disorder
Interventions
L-DOPA, Placebo
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
21 Years to 50 Years · Female only
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
2
States / cities
Austin, Texas • Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Aug 29, 2023 · Synced Sep 21, 2026, 4:24 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Optimization of Blood Levels of 25(OH)-Vitamin D in African Americans

NCT04939792
View directory record Official record
Conditions
Vitamin D Deficiency
Interventions
Vitamin D, Placebo, Vitamin D + L-cysteine, L-cysteine
Drug
Lead sponsor
Louisiana State University Health Sciences Center Shreveport
Other
Eligibility
18 Years to 65 Years
Enrollment
165 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Shreveport, Louisiana
Source: ClinicalTrials.gov public record
Updated Jun 7, 2023 · Synced Sep 21, 2026, 4:24 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Soy Nuts and Cardiovascular Risk in Postmenopausal Women

NCT01740076
View directory record Official record
Conditions
Postmenopausal Women
Interventions
soy nuts
Other
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
21 Years and older · Female only
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 21, 2025 · Synced Sep 21, 2026, 4:24 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Resistance Exercise and Protein During Weight Loss

NCT03600311
View directory record Official record
Conditions
Weight Loss, Starvation
Interventions
Caloric Restriction, Post-Exercise Protein, Energy Balance, Post-Exercise Carbohydrate, Calcium and Vitamin D
Other · Dietary Supplement
Lead sponsor
University of Nebraska Lincoln
Other
Eligibility
19 Years to 30 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Jun 11, 2019 · Synced Sep 21, 2026, 4:24 AM EDT