Clinical trials: Supplements
Healthy
Study Comparing Two Isoforms of Vitamin D Supplements for Infants
There are two different types of vitamin D - vitamin D3 (animal source) and vitamin D2 (plant source). Almost all the usual vitamin D preparations for infants available in Canadian pharmacies contain vitamin D3 which may not be…
- Trial name
- NCT01190137
- Testing
- Cholecalciferol (D3) or ergocalciferol (D2)
- Where
- Canada
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- McGill University
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
Healthy
Effectiveness of an Internet-Based Curriculum in Increasing Health Care Providers' Knowledge of Herbs and Dietary Supplements
The purpose of this study is to determine the effectiveness of four different strategies designed to improve clinicians' knowledge about herbs and dietary supplements.
- Trial name
- NCT00110539
- Testing
- Complementary and alternative medicine education
- Where
- United States
- Volunteers
- 1,500 people, healthy volunteers welcome
- Sponsor
- National Library of Medicine (NLM)
Depression, Anxiety
Zinc, Mental Health, and School Performance in Guatemalan Schoolchildren
This study will determine whether supplements of the mineral zinc will improve mental health and school performance among schoolchildren in Guatemala.
- Trial name
- NCT00283660
- Testing
- 10 mg zinc oxide
- Where
- Guatemala
- Volunteers
- 750 people, healthy volunteers welcome
- Sponsor
- Emory University
Biological Availability
Bioavailability of Omega-3 Food Supplement in Healthy Subjects
The study will evaluate the relative bioavailability of Pronovum PRF-037 and Pronovum PRF-041 with PronovaPure 150:150 EE EU and Eskimo-3 (500 mg omega-3 acid triglyceride containing 80 mg EPA and 50 mg DHA per gram oil) in…
- Trial name
- NCT02376608
- Testing
- Pronova Pure 150:500 EE EU, Pronovum PRF-037, Pronovum PRF-041
- Where
- United Kingdom
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Pronova BioPharma
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)
Maternal Behavior
Evaluation of Prototype Solutions for Optimizing Maternal Health Behaviors
This study is a three-year implementation research project that aims to develop and test the effectiveness and acceptability of interventions to promote three outcomes: institutional delivery, antenatal care, and iron-folic acid…
- Trial name
- NCT05907720
- Testing
- Human-centered design prototype solutions for vulnerable pregnant women
- Where
- Ethiopia
- Volunteers
- 1,468 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins Bloomberg School of Public Health
Child Malnutrition
Effectiveness and Cost-Effectiveness of Four Formulations of Food Supplements for the Prevention of Wasting and Stunting in Burkina Faso
This research will serve as a follow-up on the review of Title II commodities performed by the Food Aid Quality Review at Tufts University in October 2011.
- Trial name
- FAQR-Burkina (NCT02071563)
- Testing
- CSB14, RUSF1, SC+
- Where
- Burkina Faso
- Volunteers
- 6,039 people, healthy volunteers welcome
- Sponsor
- Tufts University
Vitamin D Deficiency
Effect of Vitamin D Supplementation on Health of Low Birth Weight Infants
The purpose of this study is to determine whether a weekly supplement of vitamin D to low birth weight term infants will reduce their mortality and hospital admissions and improve their immunity.
- Trial name
- DIVIDS (NCT00415402)
- Testing
- Vitamin D3
- Where
- India
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- Delhi University
Anemia
Iron Supplementation Among Low-Income Postpartum Women
Anemia is common among low-income women after they have given birth. Anemia, or low hemoglobin in the blood cells, is usually caused by not having enough iron. Blood cells usually carry oxygen to other parts of the body.
- Trial name
- NCT00207610
- Testing
- Daily iron supplements of 65 mg a day for 3 months, Universal anemia screening and treatment, Selective anemia screening and treatment
- Where
- United States
- Volunteers
- 959 people, healthy volunteers welcome
- Sponsor
- Centers for Disease Control and Prevention
Healthy
Strength-enhancing Effect of Whey Protein Supplementation Following Resistance Exercise in Adolescent Males
This study investigates the strength gains associated with resistance training in a group of 18 male high school athletes consuming either a whey protein supplement or chocolate milk following their exercise.
- Trial name
- NCT02162459
- Where
- United States
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Olympia Eye Clinic
Nutrition, Healthy
Effect of Dietary Supplements on the Oral Microbiome
The oral cavity's microbiome is a diverse community, hosting over 700 bacterial species. Due to its varied niches, the oral cavity constitutes a highly complex environment where different microbes preferentially colonize distinct…
- Trial name
- NCT06411977
- Testing
- Vegetable juice
- Where
- 2 sites in Germany, Switzerland
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- University Center of Dental Medicine Switzerland
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
Anemia
Feasibility and Effectiveness of Distributing Micronutrient Sprinkles to Reduce Prevalence of Anemia
The objective of this study is to test the feasibility and effectiveness of distributing micronutrient sprinkles to 6-20 month old children participating in an integrated maternal and child health and nutrition program in rural…
- Trial name
- NCT00210405
- Testing
- "Sprinkles" containing mulitple micronutrients, Education/communication on use of micronutrient sprinkles, Fortified food aid (corn-soy blend)
- Where
- Haiti
- Volunteers
- 450 people, healthy volunteers welcome
- Sponsor
- International Food Policy Research Institute
Preeclampsia
Cornell University-Micronutrient Initiative Calcium Supplementation Study
The World Health Organization (WHO) now recommends prenatal calcium supplementation for prevention of preeclampsia in populations with inadequate dietary intake.
- Trial name
- MICA (NCT02238704)
- Testing
- Regimen A calcium and iron/folic acid, Regimen B calcium and iron/folic acid
- Where
- 16 sites in Kenya
- Volunteers
- 1,032 people, healthy volunteers welcome
- Sponsor
- Cornell University
Lead, Blood, Pregnancy
Dietary Calcium Supplementation to Reduce Blood Lead in Pregnancy
Lead accumulates in bone. During pregnancy, physiologic changes occur prompting bone resorption in order to provide calcium to the growing fetal skeleton also release the lead stored in bone into a pregnant woman's circulation.
- Conditions
- Lead, Blood, Pregnancy, Bone Resorption
- Trial name
- NCT00558623
- Testing
- calcium carbonate
- Where
- Mexico
- Volunteers
- 670 people, healthy volunteers welcome
- Sponsor
- National Institute of Environmental Health Sciences (NIEHS)
Exclusive Breastfeeding, Feeding Patterns
SPOON: Sustained Program for Improving Nutrition - Mexico
The primary goal of this study is to assess the impact of an innovative strategy to prevent undernutrition and obesity in early childhood in children 0-24 months in Mexico.
- Conditions
- Exclusive Breastfeeding, Feeding Patterns, Stunting, Obesity, Childhood
- Trial name
- NCT03752762
- Testing
- SQ-LNS, SPOON behavioral change strategy
- Where
- Mexico
- Volunteers
- healthy volunteers welcome
- Sponsor
- Inter-American Development Bank
Malnutrition
Prevention of Linear Growth Failure in Infants and Young Children With Lipid-based Nutrient Supplements (iLiNS-DOSE)
The use of lipid-based nutrients (LNS), such as Nutributter or fortified spread (FS), have been associated with improved growth and development outcomes among infants in Ghana and Malawi.
- Trial name
- iLiNS-DOSE (NCT00945698)
- Testing
- Lipid-based nutrient supplement, 10gM, Lipid-based nutrient supplement, 20gM, Lipid-based Nutrient Supplement, 20gNoM
- Where
- Malawi
- Volunteers
- 1,920 people, healthy volunteers welcome
- Sponsor
- Tampere 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)
Undernutrition, Healthy
Iron Absorption From Lipid-Based Nutrient Supplements
The overall objective of this study is to determine dietary iron absorption from lipid-based nutrient supplements (LNS) in apparently healthy and undernourished children.
- Trial name
- NCT06870201
- Testing
- Lipid-Based Nutrient Supplement
- Where
- Kenya
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Pennington Biomedical Research Center