Clinical Trials on Vitamin Supplementation

Total 1369 results

King's College London
Vitamax Wholesalers LLP

Recruiting

Human Transdermal Vitamin D Supplement Study (TransVitD)

Vitamin D Supplementation

United Kingdom
Boston Children's Hospital

Completed

Vitamin D Supplementation in Healthy Adolescents

Vitamin D Supplementation

United States
Helsinki University Central Hospital
University of Helsinki

Completed

Vitamin D Intervention in Infants - Pilot (VIDI-P)

Supplementation | Vitamin D

Finland
Rajavithi Hospital

Completed

Pregnancy Outcome and Vitamin D Level Among Vitamin D Supplementation During Pregnancy

Pregnancy Outcome Among Vitamin D Supplementation During Pregnancy

Thailand
Society for Applied Studies
World Health Organization

Completed

Efficacy of Newborn Vitamin A Supplementation Versus Placebo in Improving Child Survival (NeoVitA Trial)

Neonatal Vitamin A Supplementation

India
University of Aarhus

Not yet recruiting

Next-generation Effects of Vitamin D Supplementation in Pregnancy

Immune System Diseases | Growth | Child Development | Vitamin D Supplementation
Guy's and St Thomas' NHS Foundation Trust

Completed

Micronutrients in Critically Ill Patients (MiNuCrit)

Critical Illness | Nutrition | Vitamin Supplementation

United Kingdom
Intermountain Health Care, Inc.
USANA Health Sciences

Completed

Vitamin D Supplementation in Knee Osteoarthritis (VitD-OA)

Osteoarthritis, Knee | Vitamin D Supplementation
University of Avignon

Completed

Myocardial Function and Vitamin D Supplementation in Diabetes. (VitaDD)

Diabetes Complications | Vitamin D Deficiency | Vitamin D Supplementation | Myocardial Dysfunction

France
Chulalongkorn University

Unknown

Optimal Doses of Ergocalciferol Supplementation for Treatment of Hypovitaminosis D in Adults

Vitamin D2 Supplementation in Vitamin D Insufficiency

Thailand
Second Affiliated Hospital of Wenzhou Medical University

Completed

Effect of Vitamin D Supplementation on the Efficacy of Ustekinumab in the Treatment of Crohn's Disease

Crohn's Disease | Vitamin D Supplementation | Clinical Efficacy | Ustekinumab

China
Haukeland University Hospital

Completed

Micronutrient Status During Pregnancy

Deficiency Vitamins
Universidad Católica San Antonio de Murcia

Completed

Effects of Nitrates and Citrulline Malate on Performance in Professional Professional Soccer (NiCiFut)

Supplementation

Spain
Hospices Civils de Lyon

Unknown

Chronic Pain and Vitamin D (DOVID)

Vitamin D Supplementation | Chronic Musculoskeletal Pain

France
California Baptist University

Completed

Effects of Combined Grape Seed Extract and L-citrulline Supplementation on Hemodynamic Responses in Young Males

Dietary Supplementation

United States
Poznan University of Life Sciences
National Science Centre, Poland

Unknown

Betaine Effect in Speed-strength Athletes

Supplementation | Sport

Poland
Diabetes Foundation, India

Recruiting

Vitamin D Supplementation on Surrogate Markers of Ageing, Ageing Genes, Glycemic and Metabolic Markers in North India

PreDiabetes | Aging | Vitamin D Supplementation

India
Texas A&M University
Nutrition 21, Inc.

Completed

Nutrition21 Study 1 (N21-1)

Nutritional Supplementation

United States
University of Aarhus

Completed

The Anabolic Effects of Estrogen on Skeletal Muscles (ESTRO)

Estrogen Supplementation

Denmark
Texas A&M University
Nutrabolt

Completed

Physiological Effects of Creatine Supplementation in Active Males (NB4)

Dietary Supplementation
Eisenhower Army Medical Center
Medical Nutrition USA, Inc.

Completed

Oral Protein Supplementation Following Non-bariatric Surgery

Protein Supplementation
Alexandria University

Recruiting

Effect of Different Timings of Protein Supplementation in Hemodialysis Patients

Protein Supplementation

Egypt
Poznan University of Physical Education
Poznan University of Life Sciences

Active, not recruiting

The Influence of Caffeine Supplementation on Specific Performance and Training Activities

Supplementation | Sports

Poland
Bettery S.A.

Completed

Plant Based Protein and Whey Protein: Effects on Body Composition and Performance (4BettPro)

Protein Supplementation

Portugal
Universidad Católica San Antonio de Murcia

Completed

The Efficacy β-Alanine Supplementation in Performance Outcomes of Road Professional Endurance Cyclists (ELITE)

Supplementation | Cyclists

Spain
Universitair Ziekenhuis Brussel

Completed

Optimal Length of Progesterone Supplementation Before the Transfer of Cryopreserved (Frozen)-Thawed Day 3 Embryos in an Artificial Cycle With Exogenous Estrogen and Progesterone (PROFETA-3)

Progesterone Supplementation

Belgium
University of the Incarnate Word

Completed

Impact of Dark Chocolate on Visual Performance

Dietary Supplementation

United States
Poznan University of Life Sciences
Poznan University of PhysED

Completed

Sodium Bicarbonate Supplementation in Combat Sports Athletes

Supplementation | Sport

Poland
Poznan University of Life Sciences
Poznan University of PhysED

Completed

Sodium Bicarbonate Supplementation in Athletes

Supplementation | Sport

Poland
Brock University
University of Toronto

Not yet recruiting

Resistance Exercise-induced Anabolism in Youths and Adults

Exercise | Dietary Supplementation
Rabin Medical Center
NG Solutions Ltd

Active, not recruiting

Double Blind, Randomized, Placebo Controlled Pilot Study to Evaluate the Effect of Nutritional Supplementation on Physical Activity Performance of Young Soccer Players

Growth | Nutritional Supplementation

Israel
Ferring Pharmaceuticals

Completed

A Phase III Study of FE 999913 in Japanese Female Patients Undergoing Fertility Treatment

Luteal Hormone Supplementation

Japan
Centre Hospitalier Universitaire Saint Pierre

Completed

Toward the Development of a Bronchoscope With a Dedicated O2 Channel ?

Bronchoscopy | O2-supplementation

Belgium
Singapore Institute for Clinical Sciences
DSM Nutritional Products, Inc.

Completed

Beta-cryptoxanthin Supplement: Absorption and Function (BETA+)

Beta-cryptoxanthin Supplementation

Singapore
Vrije Universiteit Brussel

Completed

Creatine Supplementation and Cognitive and Physical Tests (CREA)

Healthy | Creatine Supplementation

Belgium
Poznan University of Medical Sciences
National Science Centre, Poland; Poznan University of Life Sciences

Completed

The Effect of β-hydroxy-β-methylbutyrate Supplementation on Physical Capacity and Body Composition in Trained Athletes

Supplementation | Sport | Supplements

Poland
B. Braun Medical UK Ltd.

Completed

Acceptability Study on Oral Nutrition Supplement (ONS)

Oral Nutritional Supplementation

United Kingdom
The University of Tennessee, Knoxville

Completed

Carbohydrate-Protein Supplementation During Endurance Running

Supplementation During Endurance Performance

United States
Colorado State University
Virginia Polytechnic Institute and State University; University of North Carolina... and other collaborators

Completed

Pilot Feasibility of Rice Bran Supplementation in Nicaraguan Children

Dietary Rice Bran Supplementation

United States, Nicaragua
University of Aberdeen

Completed

ADAPT: Efficacy of a Dietary Supplement During and After Exercise (ADAPT)

Dietary Supplementation During Exercise

United Kingdom
Colorado State University
University of the Sciences, Techniques and Technologies of Bamako

Completed

Pilot Feasibility of Rice Bran Supplementation in Children

Dietary Rice Bran Supplementation

United States, Mali
University of Sao Paulo

Completed

Collagen Peptide Supplementation and Physical Exercise in Older Adults

Collagen Supplementation | Physical Exercise Training

Brazil
Erica Goldstein

Completed

Effect of Carbohydrate-protein Co-ingestion on Short-term Recovery

Dietary Supplementations

United States
Helen Keller International
Eleanor Crook Foundation

Not yet recruiting

Maternal Adherence to MMS in Nepal (NAMASTE MMS)

Pregnancy Related | Supplementation | Postnatal Related
University of Exeter

Completed

'Oral Microbiome -Dietary Nitrate' Interactions and Cognitive Health in Older Age (COGNIT)

Dietary Supplementations

United Kingdom
California Baptist University

Completed

Effects of Acute Grape Seed Extract Supplementation on Muscle Metaboreflex in Healthy Young Individuals

Dietary Supplementation

United States
Medical University of Vienna

Completed

Bone Metabolism After Laparoscopic Gastric Bypass Surgery (BABS) (BABS)

Evaluation of Expected Bone Loss After Bariatric Surgery | Possible Prevention of Bone Loss After Surgery by Calcium and Vitamin D Supplementation

Austria
Zealand University Hospital

Completed

Effect of Vitamin K2 (MK7) on Cardiovascular and Bone Disease in Dialysis Patients (RenaKvit)

Cardiovascular Disease | Bone Disease | Endstage Renal Disease | Vitamin K Supplementation

Denmark
Baylor University

Completed

Potential Synergistic Effect of Combined Blood Flow Restriction Training and Betaine Supplementation on Skeletal Muscle

Blood Flow Restriction Training | Betaine Supplementation

United States
Poznan University of Physical Education

Active, not recruiting

Acute Sodium Bicarbonate Supplementation in Athletes

Supplementation | Sport

Poland

Clinical Trials on Vitamin Supplementation

Sponsors and Collaborators

Medical Conditions

Drug Interventions

CROs by country

CROs in South Korea

Conditions

Rare Diseases

Drug Interventions

Dietary Supplements

Sponsor/Collaborators

Locations