Clinical trials
Diet clinical trials
Below are recruiting diet clinical trials, each written for real people, not researchers. We’re tracking 627 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07682532Recruiting
Theanine and Mediterranean diet for Parkinson's symptoms
This trial tests whether a supplement called L-theanine and a Mediterranean diet can improve sleep, digestion, and inflammation in early-stage Parkinson's disease. It may help if you are in stage 1 and live with a healthy partner.
IstanbulAges 50–80 - NCT07686601Enrolling by invitation
Shockwave therapy for belly fat
This study tests whether a sound-wave device (shockwave therapy) applied to your belly can help shrink fat and improve body measurements. It is for adults who have stubborn belly fat and are otherwise healthy.
Shibīn al Kawm, MenofyiaAges 18 years+ - NCT05311436Recruiting
Nutrition program study for slum residents in Dhaka
This study tests a nutrition program for pregnant women, adolescent girls, and young children living in Dhaka slums. It is designed to support healthier nutrition during a key growth or pregnancy period.
Dhaka, Dhaka DivisionAges 1 day–39 years - NCT07672938Recruiting
Olive supplement and Mediterranean diet for mild memory loss
This trial tests whether a dietary supplement made from olive polyphenols, combined with following a Mediterranean diet, can help protect thinking and memory in people with mild cognitive impairment (MCI). It may be a good fit if you have early memory changes and want to try a nutrition-based approach.
Thessaloniki, Central MacedoniaAges 50–85 - NCT05361343Recruiting
First line healthy aging study for adults
This study looks at a “first-line” approach to healthy aging in generally healthy adults. You may be invited because you’re interested in active longevity and can follow lifestyle and study instructions.
Saint PetersburgAges 18–90 - NCT07659574RecruitingPhase 3
Study of UBT251 injection for type 2 diabetes not controlled by diet and exercise
This trial tests a new injected drug (UBT251) for people with type 2 diabetes who haven't been able to control their blood sugar with diet and exercise alone. It aims to see if the drug can help lower blood sugar levels safely.
Changsha, HunanAges 18–75 - NCT07650123Recruiting
7-Ketolithocholic Acid for Prediabetes Treatment
This study tests whether a compound called 7-ketolithocholic acid can help people with prediabetes (blood sugar levels higher than normal but not yet diabetic) prevent or delay developing type 2 diabetes. Participants will take the study medication while following a healthy diet and exercise plan.
BordigheraAges 18–70 - NCT07640594Recruiting
Food Vouchers and Nutrition Support in Philippine Households
This study tests whether food vouchers help low-income families in the Philippines eat better and more nutritious food. Researchers will track how the vouchers affect what families buy and eat, and how that impacts health—especially for women and young children.
Washington D.C., District of ColumbiaAges birth–99 years - NCT07620808Enrolling by invitation
Medically-Tailored Meals and Heart Health Study
This study tests whether personalized meal plans designed by doctors can help people with type 2 diabetes and high blood pressure improve their heart health. You'll receive specially prepared meals for 8 months and answer questions about your health.
New York, New YorkAges 20 years+ - NCT05887674Recruiting
Non-drug memory program for early Alzheimer’s and memory loss
This trial studies a non-medication (non-drug) program to improve memory and daily thinking in people with mild cognitive impairment or mild Alzheimer’s disease. It may help by supporting brain function and monitoring symptoms over time.
Shanghai, Shanghai MunicipalityAges 60–90 - NCT06541938Recruiting
Breath test study for IBD in remission with IBS symptoms
This study tests a device called AIRE-2 that analyzes your breath to see if it can help manage IBD symptoms. It is for people with IBD who are in remission but still have IBS-like symptoms like belly pain or bloating.
Hamilton, OntarioAges 18–75 - NCT07620028Enrolling by invitation
Improving Diet Quality Through Better Access to Protein
This study looks at how to help families in Indianapolis get better nutrition, especially protein-rich foods. Researchers will work with you and your child over about a year to understand food access and eating habits.
Indianapolis, IndianaAges 5 years+ - NCT05432362Recruiting
Energy sensing brain study in depression and weight groups
This study tests how the brain and body respond to “energy sensing” in people with depression and in people with different body weights. You may be asked to do assessments and follow specific health and diet rules so the researchers can compare groups.
Graz, StyriaAges 18–40 - NCT05088863Recruiting
Diet survey about how health label messages change eating
This study looks at how people change (or don’t change) what they eat after seeing health-related messages. You may be asked to provide consent, follow study instructions, and try a specific food item for the survey.
Winnipeg, ManitobaAges 18 years+ - NCT07605676RecruitingPhase 4
Acupuncture stimulation versus strength training for anemia from heavy periods
This study tests whether acupuncture-based electrical stimulation or resistance (strength) training can help women with moderate iron-deficiency anemia caused by heavy menstrual bleeding. Both treatments aim to improve energy levels and blood counts alongside standard medical care.
CairoAges 20–30 - NCT06313684Recruiting
Hybrid cardiac rehab for heart failure patients
This study tests a hybrid cardiac rehab program (both at the clinic and at home) for people with heart failure. It combines supervised exercise sessions with remote support to help improve your heart health and daily function.
SantiagoAges 18 years+ - NCT07583186Recruiting
How Eating More Eggs During Pregnancy Affects Baby's Brain Development
This study looks at whether pregnant women who eat more eggs can help their babies' brain development. Researchers will follow you and your baby from pregnancy through the first year of life to see if increased egg consumption makes a difference.
Kansas City, KansasAges 18 years+ - NCT07584473Recruiting
Testing for Non-Celiac Wheat Sensitivity in Celiac Disease Relatives
This study investigates whether relatives of celiac disease patients who have digestive symptoms and other health concerns might have non-celiac wheat sensitivity or irritable bowel syndrome. Researchers will perform a small intestinal biopsy and dietary testing to understand the connection between wheat sensitivity and symptoms in this family group.
Palermo, PAAges 18 years+ - NCT06647550RecruitingPhase 2
Testing a new pill for type 2 diabetes not well controlled by diet and exercise
This trial tests a new medication, HD-6277, to see if it can help lower blood sugar in adults with type 2 diabetes that isn't well managed by diet and exercise alone.
SeoulAges 19–75 - NCT07564219Recruiting
Beta-Hydroxybutyrate to Boost CAR-T Cell Therapy in Multiple Myeloma
This trial tests whether a natural metabolite called beta-hydroxybutyrate can strengthen CAR-T cell therapy (a type of cancer-fighting cell treatment) in multiple myeloma patients. The goal is to help your immune cells work better against your cancer.
Hamburg, Free and Hanseatic City of HamburgAges 18 years+ - NCT07564674Recruiting
How Your Body Processes Broccoli Extract Supplements
This study tests how well your body absorbs and uses broccoli extract supplements. Researchers want to understand if these supplements deliver their plant-based benefits effectively, which could help improve future supplement design.
Corvallis, OregonAges 18–60 - NCT07543016Recruiting
Amino Acids and Exercise for FSHD Muscle Weakness
This study tests whether amino acid supplements combined with exercise can help people with FSHD (a genetic muscle disease) build strength and reduce fatigue. Researchers will compare participants who receive amino acids plus exercise training to a control group.
Voghera, PaviaAges 18–50 - NCT07534670Recruiting
Tracking lifestyle and blood sugar patterns in early pregnancy
This study follows pregnant women in their first trimester to understand how daily habits like sleep, activity, and eating affect blood sugar levels. The goal is to learn more about metabolic health during pregnancy and potentially prevent complications.
Singapore, SingaporeAges 21–39 - NCT07518407Recruiting
Nutrition Education and Diet Guidance While Using GLP-1 Medication
This study teaches adults on GLP-1 medication (like Ozempic or Wegovy) how to eat better and lose weight using a smartphone app. Researchers want to see if personalized nutrition advice helps you get better results from your medication.
Columbia, South CarolinaAges 18–65
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Common questions
- Are there clinical trials for diet?
- Yes. Clin2 currently lists 627 recruiting diet studies from the U.S. registry, each rewritten for real people, not researchers, so you can see what it’s testing and who it’s for.
- How do I know if I qualify for a diet trial?
- Each study lists its eligibility criteria — rules about age, diagnosis, and prior treatments. On every Clin2 trial page we explain these in words written for real people and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Does it cost anything to join a diet trial?
- Using Clin2 is always free. Many trials cover the cost of the study treatment and related visits; some reimburse travel. The study team explains exactly what’s covered before you decide.
Related conditions
Clin2 helps you find and understand clinical trials and does not provide medical advice. Study data comes from ClinicalTrials.gov. Talk with your doctor about whether a specific trial is right for you.