Study type
Nutrition and metabolism studies recruiting now
Nutrition and metabolism studies look at diets, supplements, metabolic conditions and fatty liver disease. Some are run by universities with controlled meals.
361 recruiting studiesSource: ClinicalTrials.gov, refreshed October 26, 2026How we list studies
Studies
- RecruitingHealthy volunteers
Assessing the Influence of Habitual Beef Intake on Key Molecular Markers of Brain Health
South Dakota State University
- Location
- Brookings, SD
- Eligibility basics
- Ages 65+
- RecruitingHealthy volunteers
Integrating Food Rx With Best Feeding Practices With EFNEP
Baylor College of Medicine
- Location
- Houston, TX
- Eligibility basics
- Ages 18–64
- RecruitingHealthy volunteers
Brain Metabolism Observed at 3 Tesla or 7 Tesla in Health and Metabolic Disease
Weill Medical College of Cornell University
- Location
- New York, NY
- Eligibility basics
- Ages 16–80
- RecruitingHealthy volunteers
Investigating the Effects of Beef Consumption on Cognitive and Brain Health
University of Nebraska Lincoln
- Location
- Lincoln, NE
- Eligibility basics
- Ages 19–24
- RecruitingHealthy volunteers
Clinical Trial Evaluating the Impact of a Dietary Supplement Containing Humic and Fulvic Acid on Epigenetic Markers of Biological Age, Detoxification, Inflammation, and Oxidative Stress
OvationLab
- Location
- Richmond, VA
- Eligibility basics
- Ages 40+
- RecruitingHealthy volunteers
Role of Body Composition in Large for Gestational Age Infants (LGA) With Oral Feeding Difficulty
Nemours Children's Clinic
- Location
- Orlando, FL + 1 other US site
- Eligibility basics
- Ages 0 mo–2 mo
- RecruitingHealthy volunteers
Improving Health Outcomes Through Investigations of Wabanaki Food Systems in Maine
Wabanaki Public Health and Wellness
- Location
- Bangor, ME
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Moms and Babies Health and Well-being
Columbia University
- Location
- New York, NY
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteers
Leading Healthy Eating and Activity Promotion Program
University of Alabama at Birmingham
- Location
- Birmingham, AL
- Eligibility basics
- Ages 18–89
- RecruitingHealthy volunteers
The Metabolic Effects of Intermittent Fasting
University of Pittsburgh
- Location
- Pittsburgh, PA
- Eligibility basics
- Ages 21–45
- RecruitingHealthy volunteers
Impact of Yo-Yo Sleep on Cardiometabolic Health
Columbia University
- Location
- New York, NY
- Eligibility basics
- Ages 18–49
- RecruitingHealthy volunteers
Click & Pick Study
University of Pennsylvania
- Location
- Philadelphia, PA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Oxalate-Driven Host Responses in Kidney Stone Disease
University of Alabama at Birmingham
- Location
- Birmingham, AL
- Eligibility basics
- Ages 18–60
- RecruitingHealthy volunteers
Effect of Weight Loss on Intermuscular Adipose Tissue (IMAT) Signaling
University of Colorado, Denver
- Location
- Aurora, CO
- Eligibility basics
- Ages 18–70
- RecruitingHealthy volunteers
Maternal Intake of Eggs and Infant Neurodevelopment
University of Kansas Medical Center
- Location
- Kansas City, KS
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteers
Low Energy Availability and Hypertension in Division I HBCU Athletes
North Carolina Agriculture & Technical State University
- Location
- Greensboro, NC
- Eligibility basics
- Ages 18–26
- RecruitingHealthy volunteers
Alzheimer"s Imaging Biomarkers in Obesity
Cyrus A Raji
- Location
- St Louis, MO
- Eligibility basics
- Ages 40–60
- RecruitingHealthy volunteers
High Protein Diet and Atherosclerosis
University of Missouri-Columbia
- Location
- Columbia, MO
- Eligibility basics
- Ages 45–75
- RecruitingHealthy volunteers
Animal and Plant Proteins and Glucose Metabolism
University of Missouri-Columbia
- Location
- Columbia, MO
- Eligibility basics
- Ages 21–70
- RecruitingHealthy volunteers
Effect of a Fermented Dairy Protein With Prebiotic Fiber on GI Complaints
Arizona State University
- Location
- Phoenix, AZ
- Eligibility basics
- Ages 18–50
- RecruitingHealthy volunteers
Educational, Social Support, and Nutritional Interventions and Their Cumulative Effect on Pregnancy Outcomes and Quality of Life in Teen and Adult Women With Phenylketonuria
Emory University
- Location
- Atlanta, GA
- Eligibility basics
- Ages 11+ · Women only
- RecruitingHealthy volunteers
Routine Validation and Reproducibility Testing of Laboratory Assays and Research Techniques Used for Endocrine, Cardiometabolic, and Musculoskeletal Disorder Research (VALD)
Bettina Mittendorfer
- Location
- Columbia, MO
- Eligibility basics
- Ages 18–100
- RecruitingHealthy volunteers
Slowly Digestible Carbohydrates for GLP-1 Secretion
Purdue University
- Location
- West Lafayette, IN
- Eligibility basics
- Ages 18–45
- RecruitingHealthy volunteersPhase 4
Effects of Exercise and GLP-1 Agonism on Muscle Microvascular Perfusion and Insulin Action in Adults With Metabolic Syndrome
University of Virginia
- Location
- Charlottesville, VA
- Eligibility basics
- Ages 21–60
Who these studies look for
Expect limits on supplements, alcohol and diet changes during the study, and sometimes a set BMI range.
Matching a page like this one never means you qualify. Each research team decides eligibility at screening.
Questions
Are meals provided in nutrition studies?
Sometimes. Controlled-feeding studies provide food; others ask you to follow a plan at home. The listing summary and the study team explain what is involved.