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
Improving Dietary Quality and Social Engagement Through a Virtual Nutrition and Teaching Kitchen Intervention Among Older Veterans With Impaired Mobility
VA Office of Research and Development
- Location
- Baltimore, MD
- Eligibility basics
- Ages 65+
- RecruitingHealthy volunteers
Examining Valence-based Effects in Self-Monitoring Feedback Messages
University of Virginia
- Location
- Charlottesville, VA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Baylor Infant and Toddler Biomarker of Nutrition Study
Baylor College of Medicine
- Location
- Houston, TX
- Eligibility basics
- Ages 4 mo–2
- RecruitingHealthy volunteers
Exercise and Carotid Artery Function in Metabolic Syndrome
University of Wisconsin, Madison
- Location
- Madison, WI
- Eligibility basics
- Ages 18–40
- RecruitingHealthy volunteers
Energy Dense Fueling for Cold-Weather Operations
United States Army Research Institute of Environmental Medicine
- Location
- Natick, MA
- Eligibility basics
- Ages 18–39
- RecruitingHealthy volunteers
Efficacy Trial of Healthy Together ("Juntos")
University of Miami
- Location
- Miami, FL
- Eligibility basics
- Ages 12–15
- RecruitingHealthy volunteers
Mechanism of Ketogenic Diet-Induced Hypercholesterolemia
Washington University School of Medicine
- Location
- St Louis, MO
- Eligibility basics
- Ages 18–39
- RecruitingHealthy volunteers
Kaempferol Absorption and Pharmacokinetics Evaluation
University of Pittsburgh
- Location
- Pittsburgh, PA
- Eligibility basics
- Ages 18–70
- RecruitingHealthy volunteers
Synbiotic to Attenuate Resorption of the Skeleton
Hebrew SeniorLife
- Location
- Roslindale, MA
- Eligibility basics
- Ages 60+ · Women only
- RecruitingHealthy volunteers
Sleep Well Firefighters: An App-based Program to Improve Sleep, Cognition, and Behavioral Health in Firefighters
California Polytechnic State University-San Luis Obispo
- Location
- San Luis Obispo, CA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Eatwell Clinical Trial (R01)
Drexel University
- Location
- Philadelphia, PA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Dietary and Cognitive Effects of Food Ads Posted by TikTok Influencers
NYU Langone Health
- Location
- New York, NY
- Eligibility basics
- Ages 10–13
- RecruitingHealthy volunteers
CHIME: Comparing Health Interventions for Maternal Equity
Stanford University
- Location
- Flushing, NY + 2 other US sites
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteers
Mechanisms Underlying the Protective Vascular Effects of Dietary Potassium in Humans
University of Delaware
- Location
- Newark, DE
- Eligibility basics
- Ages 18–45
- RecruitingHealthy volunteers
Preventing Athlete Under-fueling Through Nutrition.
Case Western Reserve University
- Location
- Cleveland, OH
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Using a Telehealth and Shared Decision-Making Model to Address Preventative Medicine Strategies Among Communities in Louisiana
Xavier University of Louisiana.
- Location
- New Orleans, LA
- Eligibility basics
- Ages 18–55
- RecruitingHealthy volunteers
Metabolic Diet for Relapse Prevention in Anorexia Nervosa
Icahn School of Medicine at Mount Sinai
- Location
- New York, NY
- Eligibility basics
- Ages 18–40 · Women only
- RecruitingHealthy volunteers
Diet and Meal Timing in Patients With Metabolic Dysfunction Associated Steatoic Liver Disease
Weill Medical College of Cornell University
- Location
- New York, NY
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
NDPP-NextGen: A Clinical Trial to Reduce Intergenerational Obesity and Diabetes Risks
Wake Forest University Health Sciences
- Location
- Winston-Salem, NC
- Eligibility basics
- Ages 18–39 · Women only
- RecruitingHealthy volunteers
An 8-Week Study Evaluating Gut and Digestive Health After Use of a Dietary Supplement System
SF Research Institute, Inc.
- Location
- San Francisco, CA
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteers
Effect of Dietary Nitrate on Immobilization-induced Changes in Skeletal Muscle in Young Healthy Men
Indiana University
- Location
- Indianapolis, IN
- Eligibility basics
- Ages 18–44 · Men only
- RecruitingHealthy volunteers
Pistachio Intake and Nutrition-Related Outcomes in Individuals on GLP-1 Therapy
Ian J. Neeland, MD
- Location
- Clevland, OH
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteers
Impact of Dietary Phosphate Excess on Exercise Capacity and Visceral Adiposity
University of Texas Southwestern Medical Center
- Location
- Dallas, TX
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteers
A Digital Intervention to Promote Preschool Nutrition and Activity: The eHEROs Study
Cornell University
- Location
- Ithaca, NY
- Eligibility basics
- Ages 18+
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.