Clinical trials: Supplements, open to volunteers
Iron Deficiency
Improving Iron Levels in Female Endurance, Intermittent, and Power/Strength Athletes Aged 16-35
The goal of this clinical trial is to learn if different types and doses of oral iron supplements can improve iron levels, athletic performance, and gut health in young female athletes with low iron stores.
- Trial name
- FeSc2 (NCT06942208)
- Testing
- Low-dose iron (ferrous sulfate), Yeast-bound iron (ferrous sulfate), High-dose iron (ferrous sulfate)
- Where
- Canada
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- University of Calgary
Maternal Stress
Impact of Vitamin D Supplements on Mental Health and Milk Composition in Mothers Living in Idaho
Mothers of preterm infants experience exaggerated emotional stressors compared to those typically associated with new motherhood, making these women particularly vulnerable to postpartum depression.
- Trial name
- NCT06919718
- Testing
- Vitamin D (Cholecalciferol )
- Where
- 2 sites in United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- University of Idaho
Healthy Infants
Growth, Tolerance, and Functional Biomarkers in Healthy Infants Receiving Dietary Supplements
This is a double-blind, randomized, placebo-controlled nutritional study aimed at investigating growth, tolerance, and functional biomarkers in healthy infants receiving dietary supplements from birth to 2.5 months of age
- Trial name
- NCT07630584
- Testing
- Probiotic dietary supplement
- Where
- 2 sites in Philippines
- Volunteers
- 327 people, healthy volunteers welcome
- Sponsor
- Société des Produits Nestlé (SPN)
Glucosamine, Liposomal Encapsulation
Human Absorption Study of Liposomal Glucosamine Supplements
The objective of this study is to evaluate the effects of liposomal encapsulation using different ratios of gum arabic and lecithin on the bioavailability of a liquid glucosamine supplement in humans.
- Trial name
- NCT07843342
- Testing
- High-Emulsified Liposomal Glucosamine Liquid, Low-Emulsified Liposomal Glucosamine Liquid, Glucosamine Liquid without Liposomal
- Where
- Taiwan
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- TCI Co., Ltd.
Obesity & Overweight, Collagen Protein
Collagen Supplements and Post-MBS Muscle Mass/Body Image
This prospective, observational cohort study aims to evaluate whether the use of collagen-containing supplements is associated with differences in muscle mass, body composition, and body image among patients who have undergone…
- Conditions
- Obesity & Overweight, Collagen Protein, Bariatric Surgery, Metabolic and Bariatric Surgery
- Trial name
- NCT07809152
- Testing
- Collagen-containing supplement
- Where
- Turkey (Türkiye)
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- Mudanya University
Health and Wellness
Wellness Program Participation and Changes in Health and Quality of Life in Adults and Children
The goal of this observational study is to learn how health and quality of life change over time in adults and children aged 2 years and older.
- Trial name
- NCT07832981
- Where
- 2 sites in United States, Canada
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Dr. Goodenowe Research LLC
Alcohol Use Disorder, Alcohol-associated Liver Disease
Pomegranate Dietary Supplements in AUD and ALD
The goal of this project is to determine an individual's ability to generate active gut microbial metabolites called urolithins upon consumption of pomegranate dietary supplements.
- Conditions
- Alcohol Use Disorder, Alcohol-associated Liver Disease, Alcoholic Cirrhosis, Healthy
- Trial name
- NCT07678567
- Testing
- Pomegranate Dietary Ssupplement
- Where
- United States
- Volunteers
- 144 people, healthy volunteers welcome
- Sponsor
- University of Louisville
Exercise Physiology, Nutritional Supplementation
Effects of Pre-Run Nutritional Supplements During a Fixed-Pace 5 km Treadmill Run
This study will examine how three commonly used pre-run nutritional supplements-caffeine, L-citrulline, and an exogenous ketone supplement-affect physiological and perceptual responses during a fixed-pace 5 km treadmill run in…
- Trial name
- NCT07854223
- Testing
- Caffeine, L-Citrulline, Exogenous Ketone (Beta-Hydroxybutyrate)
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- St. Louis University
Influenza Vaccine Response
Effect of Oral Supplements for Influenza Vaccine Response
The aim of this clinical trial is to explore the efficacy of fatty acid and bile acid based supplements on enhancing influenza vaccine immune response in adults aged 60-70 years. The objectives of this study are: 1.
- Trial name
- EOSIIVE-RCT (NCT06827873)
- Testing
- ARA (Arachidonic Acid) Supplementation, TUDCA (Tauroursodeoxycholic Acid) Supplementation, Shanghai Biological Quadrivalent Influenza Virus Inactivated Vaccine
- Where
- China
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Tsinghua University
Anemia
Multiple Micronutrient Supplementation With Digital Layering Among Adolescents in Tanzania
This study is a three-arm, individually randomized controlled trial evaluating the impact of digitally delivered nutrition education, layered onto multiple micronutrient supplementation (MMS), on anemia and related health…
- Trial name
- MMSDigitalTZ (NCT07493772)
- Testing
- Behavioral: SMS Intervention (Intervention Arm I), Behavioral: In Person Digital Arm (Intervention Arm II)
- Where
- Tanzania
- Volunteers
- 1,200 people, healthy volunteers welcome
- Sponsor
- Harvard School of Public Health (HSPH)
Diet, Healthy
Investigating the Bioavailability of Broccoli Extract Supplements
The goal of this clinical trial is to compare how much glucoraphanin and sulforaphane from 3 different versions of broccoli extract supplements is absorbed into the body and excreted in urine.
- Trial name
- NCT07564674
- Testing
- Avmacol Extra Strength with coating - 1 tablet, Avmacol chewable wafer - 2 tablets, Avmacol Extra Strength with coating - 2 tablets
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Oregon State University
Digestive Symptoms, Gastrointestinal Symptoms
A Study of Single and Combination Lipase Dietary Supplements to Increase Fatty Acid Absorption in Generally Health Adults
This study aims to investigate the effect of two digestive enzyme dietary supplements, THRIVE4U™ TG Lipase and THRIVE4U™ Spectrum Lipases in supporting the breakdown of fat after a meal.
- Conditions
- Digestive Symptoms, Gastrointestinal Symptoms, Healthy, Impaired Pancreatic Function
- Trial name
- NCT07893288
- Testing
- THRIVE4U™ TG Lipase, THRIVE4U™ Spectrum Lipases
- Where
- Canada
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Danisco
Sleep Disturbance, Emotional Disturbance
Pilot Trial for Health Products on Mood and Sleep Quality
This is a pilot, single-site clinical trial that will follow a randomized, double-blinded, parallel-group, placebo-controlled design.
- Trial name
- NCT06579183
- Testing
- Vita Calm Mood Booster Formula (VCMBF), Vita Calm Deep Sleep Formula (VCDSF)
- Where
- Hong Kong
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- The University of Hong Kong
Oral Health Care
The Effect of Supplementary Foods Containing Trypsin, Chymotrypsin and Serratia Peptidase on Healing After Impacted Wisdom Tooth Surgery
Introduction: The aim of this study was to determine the effects of a dietary supplement containing trypsin, chymotrypsin, and serratia peptidase (Tripser Forte N30, Incir Pharma, Turkey) on postoperative healing and to determine…
- Trial name
- Trypsin (NCT07269171)
- Testing
- Pain Assessment, Number of Analgesics Needed, Edema Assessment
- Where
- Turkey (Türkiye)
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Saglik Bilimleri Universitesi
Metabolic Dysfunction Associated Fatty Liver Disease
Dietary Glycine Supplementation in Metabolic Dysfunction-associated Steatotic Liver Disease
This study aims to investigate abnormalities in glycine-dependent metabolic pathways in patients with metabolic dysfunction-associated steatotic liver disease (MASLD) and evaluate whether dietary glycine supplementation improves…
- Trial name
- NCT07285135
- Testing
- Glycine
- Where
- Singapore
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Singapore General Hospital
Ageing
PRecision gerOMedicinE: Tailored Healthy agEing With Lifestyle, sUpplements and drugS (PROMETHEUS)
As the population ages, the growing prevalence of age-related diseases is creating substantial challenges for healthcare systems worldwide.
- Trial name
- PROMETHEUS (NCT07451496)
- Testing
- Sleep and dietary counseling, Supervised exercise and exergaming program, Motivational interviewing
- Where
- Singapore
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- National University of Singapore
Heat Stress, Pregnancy
Indigenous Nutritional Supplements for Pregnancy to Improve Resilience in Environmental Heat
The purpose of this study is to learn whether a simple, traditional, and balanced meal made from local foods, eaten once a day during pregnancy, can help women in rural Pakistan stay healthier in hot weather and give birth to…
- Conditions
- Heat Stress, Pregnancy, Women of Reproductive Age, Nutrition Status
- Trial name
- INSPIRE (NCT07489664)
- Testing
- Indigenous Balanced Diet Arm
- Where
- Pakistan
- Volunteers
- 292 people, healthy volunteers welcome
- Sponsor
- Aga Khan University
Healthy Participants
Pilot Assessment of the Safety of a Combination of Curcumin, Omega-3, and Vitamin D Supplements in ACPA+ Individuals
The goal of this clinical trial is to determine if the level of Anti-cyclic citrullinated peptide antibody (ACPA) is altered after taking curcumin, omega-3, and vitamin D supplements (COD) for 3 months.
- Trial name
- PASCOD3 (NCT06478290)
- Testing
- curcumin, omega-3, and vitamin D (COD)
- Where
- 2 sites in Canada
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Manitoba
Healthy Adult Participants, ADME
Exploration of Potential Biomarkers of Polyphenol Intake From Artichoke By-product Supplements
The bioavailability study analyzes the absorption, distribution, metabolism, and excretion (ADME) processes of the polyphenols under study (HCAs).
- Conditions
- Healthy Adult Participants, ADME, Polyphenols Absorption Profile, Polyphenolic Compounds and Metabolism
- Trial name
- ARTI-UP ADME (NCT07615673)
- Testing
- Single intake of a supplement derived from artichoke by-products
- Where
- Spain
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Iziar Amaia Ludwig Sanz Orrio
Multiple Sclerosis, Performance Enhancement
Effects of DHA in Patients With Multiple Sclerosis
This clinical trial will investigate the effects of combining therapeutic exercise with DHA supplementation in 100 patients with multiple sclerosis using a randomized controlled design.
- Conditions
- Multiple Sclerosis, Performance Enhancement, Supplemental Nutrition Assistance Program Education, Strength Outcomes
- Trial name
- DHAME (NCT07346703)
- Testing
- Docosahexaenoic Acid (DHA) Dietary Supplement, Sunflower Oil
- Where
- Spain
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Francisco Javier Martínez Noguera