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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Protein supplementation Clear all
Recruiting Not applicable Interventional Accepts healthy volunteers

A Pilot Study to Evaluate the Ability of Lactoferrin to Modulate Iron Homeostasis and Exercise Performance in Exercising Females

NCT07546591
View directory record Official record
Conditions
Iron Deficiencies, Low Ferritin, Iron Deficiency, Exercise Performance of Fit Athletes
Interventions
Lactoferrin 100 mg, Lactoferrin 300 mg, Iron Supplementation (5 mg)
Dietary Supplement
Lead sponsor
Lindenwood University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Saint Charles, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 26, 2026 · Synced Sep 23, 2026, 5:36 AM EDT
Completed Not applicable Interventional

CCRC: Effects of Partially Hydrolyzed Whey Peptides (PHWP) On Weight Loss In Individuals With The Metabolic Syndrome (METS)

NCT00739479
View directory record Official record
Conditions
Metabolic Syndrome, Overweight
Interventions
Weight Loss
Dietary Supplement
Lead sponsor
Sidika E. Karakas, MD
Other
Eligibility
18 Years to 65 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Oct 28, 2012 · Synced Sep 23, 2026, 5:36 AM EDT
Not listed Not applicable Interventional

Nutritional Stimulation of Muscle Protein Synthesis and Metabolic Rate After Bariatric Surgery

NCT04751916
View directory record Official record
Conditions
Weight Loss
Interventions
Essential Amino Acid Protein Supplement, Beneprotein®
Dietary Supplement
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 60 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Apr 3, 2023 · Synced Sep 23, 2026, 5:36 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Clinical Safety of a Novel Milk Protein Peptide

NCT01412658
View directory record Official record
Conditions
Drug Safety
Interventions
Hydrolyzed milk protein mixture, Glycerol placebo
Dietary Supplement
Lead sponsor
Ambryx Biotechnology
Industry
Eligibility
35 Years to 60 Years
Enrollment
73 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Waco, Texas
Source: ClinicalTrials.gov public record
Updated Aug 8, 2011 · Synced Sep 23, 2026, 5:36 AM EDT
Completed Not applicable Interventional

Effect of Soy Supplementation on Cellular Markers in Normal and Cancerous Breast Tissue: A Randomized Placebo Controlled Study

NCT00597532
View directory record Official record
Conditions
Breast Cancer
Interventions
Soy, Milk
Dietary Supplement
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
Female only
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2016
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 12, 2016 · Synced Sep 23, 2026, 5:36 AM EDT
Completed Phase 3 Interventional Results available

LiveSMART Trial to Prevent Falls in Patients With Cirrhosis

NCT05794555
View directory record Official record
Conditions
Cirrhosis, Liver, Portal Hypertension
Interventions
Enhanced Usual Care, Lactulose, Investigator recommended exercise, TeleTai-Chi (virtual)
Behavioral · Drug
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
233 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
3
States / cities
Ann Arbor, Michigan • Philadelphia, Pennsylvania • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jul 30, 2026 · Synced Sep 23, 2026, 5:36 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 23, 2026, 5:36 AM EDT
Completed Phase 2 Interventional

Glutamine Supplementation in Cystic Fibrosis

NCT01051999
View directory record Official record
Conditions
Cystic Fibrosis, Immune Function
Interventions
Glutamine, L-alanine
Dietary Supplement
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 13, 2015 · Synced Sep 23, 2026, 5:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Tolerance of an Oral Nutritional Supplement(ONS)

NCT01782456
View directory record Official record
Conditions
Gastro-Intestinal Tolerance
Interventions
Study Oral Nutritional Supplement
Other
Lead sponsor
Abbott Nutrition
Industry
Eligibility
3 Years to 10 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 2, 2013 · Synced Sep 23, 2026, 5:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Return of First-phase Insulin Secretion in Type 2 Diabetes is Associated With Depletion of Pancreas Lipid

NCT03430310
View directory record Official record
Conditions
Type 2 Diabetes Mellitus
Interventions
Low Glycemic Diet, Control Diet
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
35 Years to 65 Years
Enrollment
65 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Oct 23, 2024 · Synced Sep 23, 2026, 5:36 AM EDT
Recruiting Not applicable Interventional

Anterior Cervical Discectomy and Fusion (ACDF) - Behavioral Intervention

NCT06520579
View directory record Official record
Conditions
Dysphagia
Interventions
Proactive pharyngeal-laryngeal Exercise Program, Premier Protein Clear ® High Protein, Hydration Counseling
Behavioral · Dietary Supplement
Lead sponsor
NYU Langone Health
Other
Eligibility
21 Years to 99 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 26, 2026 · Synced Sep 23, 2026, 5:36 AM EDT
Completed Phase 2 Interventional Results available

Effects of L-arginine Supplementation in Adults With Moderate to Severe Asthma

NCT00280683
View directory record Official record
Conditions
Asthma
Interventions
L-arginine, Placebo
Drug
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 90 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated May 29, 2017 · Synced Sep 23, 2026, 5:36 AM EDT
Withdrawn Early Phase 1 Interventional

Glutamine Supplementation in People With Immune Dysregulation

NCT04019769
View directory record Official record
Conditions
Eczema, MTOROC1 Signaling
Interventions
L-glutamine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
5 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 15, 2020 · Synced Sep 23, 2026, 5:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Bioavailability of Zinc and Iron From a Whey-based Protein Supplement Consumed With a Habitual Plant-based Diet

NCT02208622
View directory record Official record
Conditions
Nutritional Deficiency
Interventions
Study 1: Whey Supplement Day 1, Study 1: Whey Supplement Day 2, Study 2: Whey Supplement
Dietary Supplement
Lead sponsor
University of Colorado, Denver
Other
Eligibility
2 Years to 3 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2018
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 4, 2019 · Synced Sep 23, 2026, 5:36 AM EDT
Terminated Not applicable Interventional

Selenium Supplementation of Patients With Cirrhosis

NCT00271245
View directory record Official record
Conditions
Liver Disease
Interventions
200 µg selenium as selenate, 400 µg selenium as selenate, 200 µg selenium as selenomethionine, Placebo
Dietary Supplement
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years and older
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2012
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 6, 2012 · Synced Sep 23, 2026, 5:36 AM EDT
Completed Not applicable Interventional

Effect of Protein Intake on Preterm Infant Body Composition

NCT02353013
View directory record Official record
Conditions
Premature; Infant, Light-for-dates
Interventions
Protein supplementation, Standard fortification
Dietary Supplement
Lead sponsor
University of Oklahoma
Other
Eligibility
1 Minute to 1 Year
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Dec 21, 2017 · Synced Sep 23, 2026, 5:36 AM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers

Trial of Essential Amino Acid Supplementation in Protein Deficient Patients Following Total Knee Arthroplasty

NCT02926235
View directory record Official record
Conditions
Quad Atrophy
Interventions
Amino Acid, Placebo
Drug · Other
Lead sponsor
Hospital for Special Surgery, New York
Other
Eligibility
40 Years to 100 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 7, 2022 · Synced Sep 23, 2026, 5:36 AM EDT
Completed Phase 4 Interventional Results available

Comparison of Fibrinogen Concentrate and Cryoprecipitate in Pediatric Cardiac Surgery Patients

NCT04376762
View directory record Official record
Conditions
Pediatric HD, Bleeding
Interventions
Fibrinogen, Cryoprecipitate
Drug
Lead sponsor
University of Virginia
Other
Eligibility
Up to 24 Months
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Mar 5, 2026 · Synced Sep 23, 2026, 5:36 AM EDT
Terminated Phase 2 Interventional Results available

Chemotherapy, Radiotherapy and Bevacizumab in Patients With Unresectable Stage III Non-Small-Cell Lung Cancer

NCT00402883
View directory record Official record
Conditions
Lung Cancer
Interventions
Bevacizumab, Pemetrexed, Radiotherapy, Folic Acid, vitamin B12, carboplatin
Drug · Procedure · Other
Lead sponsor
SCRI Development Innovations, LLC
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
7
States / cities
Gainesville, Florida • Lakeland, Florida • Marietta, Georgia + 4 more
Source: ClinicalTrials.gov public record
Updated Nov 8, 2021 · Synced Sep 23, 2026, 5:36 AM EDT
Not yet recruiting Phase 1 Interventional

Human Models of Selective Insulin Resistance: Pancreatic Clamp

NCT06558422
View directory record Official record
Conditions
Insulin Resistance, Hyperinsulinemia, Metabolic Dysfunction Associated Steatotic Liver Disease, Non-Alcoholic Fatty Liver Disease, Prediabetic State, Obesity
Interventions
Insulin human, Octreotide Acetate, Glucagon, Growth Hormone, Human, 20% D-glucose (aq), [6,6-2H2] D-glucose, [1-13C1] sodium acetate, Nestle BOOST Plus, KIND Bar, Harvard Apparatus PHD ULTRA CP syringe pump, Yellow Springs Instruments (YSI) 2500 Biochemistry Glucose/Lactate Analyzer
Drug · Diagnostic Test · Dietary Supplement + 1 more
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 65 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2029
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 5, 2026 · Synced Sep 23, 2026, 5:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Soy as an Innovative Dietary Component in Abdominal Obesity Management Amongst Peri- and Early Menopausal Women

NCT02375113
View directory record Official record
Conditions
Central Obesity
Interventions
soy supplementation
Dietary Supplement
Lead sponsor
The University of Texas at San Antonio
Other
Eligibility
45 Years to 60 Years · Female only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated May 9, 2024 · Synced Sep 23, 2026, 5:36 AM EDT
Completed Phase 2 Interventional Results available

Serine and Fenofibrate Study in Patients With MacTel Type 2

NCT04907084
View directory record Official record
Conditions
Macular Telangiectasia Type 2
Interventions
Serine, Fenofibrate
Dietary Supplement · Drug
Lead sponsor
The Lowy Medical Research Institute Limited
Other
Eligibility
21 Years and older
Enrollment
89 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
8
States / cities
Atlanta, Georgia • Ann Arbor, Michigan • Cleveland, Ohio + 5 more
Source: ClinicalTrials.gov public record
Updated Sep 20, 2026 · Synced Sep 23, 2026, 5:36 AM EDT
Recruiting Not applicable Interventional

Oral Nutritional Optimization in Total Joint Arthroplasty

NCT04210284
View directory record Official record
Conditions
Osteoarthritis
Interventions
Ensure
Dietary Supplement
Lead sponsor
NYU Langone Health
Other
Eligibility
55 Years and older
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
2
States / cities
New York, New York • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 10, 2025 · Synced Sep 23, 2026, 5:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of a Nutritional Supplement Product Containing Cactus Fruit Juice (Nopalea) on C-Reactive Protein

NCT01881178
View directory record Official record
Conditions
Inflammation
Interventions
NOPALEA
Dietary Supplement
Lead sponsor
Mark Mattie
Other
Eligibility
35 Years to 75 Years
Enrollment
287 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Dec 29, 2014 · Synced Sep 23, 2026, 5:36 AM EDT