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
- NCT06973408Recruiting
Diet and lifestyle study for weight management
This study tests whether a specific diet and behavior program can help people with overweight improve their health. You will be asked to follow a specific eating plan and eat certain foods provided by the researchers.
GothenburgAges 18–70 - NCT07078344RecruitingPhase 2
Omega-3 study for healthy African American and European American adults
This study tests whether taking omega-3 supplements can improve health and reduce diet-related differences between African American and European American adults. You would take daily capsules and visit the clinic regularly for about 6 months.
Tucson, ArizonaAges 18–64 - NCT06959043Recruiting
Diet and exercise for type 2 diabetes
This study tests if a plant-based diet and exercise program can improve blood sugar control in people with type 2 diabetes. Participants will live in a hospital for 4 weeks to follow the program closely.
São Paulo, São PauloAges 45–70 - NCT05180578Recruiting
Goat milk protein study for children with milk-triggered esophagus inflammation
This trial tests whether goat milk protein is tolerated and safe for kids with eosinophilic esophagitis (EoE) whose symptoms improve when cow milk is stopped and come back when cow milk is added again. It may help some families find an alternative to cow milk, but you must meet specific “milk trigger” and allergy-safety requirements.
JerusalemAges Up to 18 years - NCT07075653Recruiting
Barriers to vegetarian diets
This study explores the reasons why people may or may not follow a vegetarian diet. It may help researchers understand common barriers and find ways to support healthier eating.
Baltimore, MarylandAges 18–88 - NCT07065591RecruitingEarly Phase 1
Metformin, Exercise, and Diet for Knee Osteoarthritis
This trial tests whether a common diabetes drug (metformin) combined with exercise and a healthy diet can help people with knee osteoarthritis who are overweight.
Hong Kong, Sandy BayAges 40–80 - NCT06144905Recruiting
Norwegian Gut Bacteria Study in Anorexia Nervosa
This study looks at gut bacteria in women with anorexia nervosa compared to healthy women. It aims to understand how gut health relates to the condition and recovery.
Ås, ÅsAges 16–50 - NCT07058155RecruitingPhase 4
TIPS and weight-loss surgery for liver disease with high blood pressure
This trial tests if doing a TIPS procedure (to lower blood pressure in the liver) before weight-loss surgery (sleeve gastrectomy) helps people with advanced liver disease. It's for those who have cirrhosis and very high blood pressure in the liver, and who qualify for sleeve gastrectomy.
Cleveland, OhioAges 18–70 - NCT06988501Recruiting
Goal setting app to improve diet for high blood pressure
This trial tests if a goal-setting and mobile app can help people with high blood pressure eat a healthier diet. It may be a good fit if you have high blood pressure and want guidance on improving your eating habits.
Beijing, Beijing MunicipalityAges 20–70 - NCT07036341Recruiting
Recovering after a hip fracture: protein and exercise
This study tests whether extra protein in your diet combined with exercise can help you recover better after a hip fracture, improving your bone and muscle health and quality of life.
ArnhemAges 65 years+ - NCT07042087Recruiting
Brain health lifestyle study: timed eating and mindfulness
This study tests whether a combination of time-restricted eating and mindfulness can help protect brain health in people with early memory concerns. It lasts 9 months and includes regular guidance and support.
BrnoAges 60–80 - NCT07026175Recruiting
Energy issues in high performance athletes
This study looks at energy problems in well-trained athletes who do weight-bearing exercise like running. It aims to understand why some athletes don't get enough energy, which can affect health and performance.
Fitzroy, VictoriaAges 18–45 - NCT05564949Recruiting
Ketogenic diet for brain tumors after standard treatment
This trial studies whether a very low-carbohydrate diet (a ketogenic diet) can help people with certain brain tumors. It’s meant as an added treatment alongside the usual care to see if it’s safe and potentially beneficial.
Chaïdári, AthensAges 18–80 - NCT07017127Recruiting
Remission of type 2 diabetes with lifestyle changes
This trial tests whether a lifestyle program can help people recently diagnosed with type 2 diabetes achieve remission. It focuses on diet and physical activity, not medications.
SplitAges 20–69 - NCT05196763Recruiting
Nutrition lessons for Indiana families on SNAP-Ed timing
This study tests nutrition education for families with children who receive SNAP (food assistance). It aims to see how to better support food security and healthy eating by planning SNAP-Ed lessons and participation over about one year.
West Lafayette, IndianaAges 5 years+ - NCT07009223Recruiting
Lifestyle changes to prevent memory issues in depression
This study tests whether healthy lifestyle changes—like diet, exercise, or stress management—can help prevent memory and thinking problems in people with depression. It aims to find ways to protect your brain health as you age.
BresciaAges 50–80 - NCT07010445Recruiting
Gut-brain connection in resistant epilepsy
This study looks at how the gut and brain talk to each other in people with epilepsy, especially when seizures are hard to control. It may help find new ways to treat epilepsy by focusing on the gut.
Milan, LombardyAges 3–50 - NCT06996405Enrolling by invitation
Dietary advice for patients on dialysis
This trial tests whether having access to a dietitian or nutrition advice in the dialysis unit can improve your health. If you are on dialysis and speak Danish, you may be able to join.
HolbækAges Any age - NCT06996431Enrolling by invitation
Weight loss program with mobile health support
This study tests a new way to help adults lose weight using a smartphone app and health coaching. You might qualify if you are overweight, live in Hong Kong, speak Chinese, and can walk without help.
Hong KongAges 18 years+ - NCT06989203Recruiting
Protein supplement study for body weight
This trial tests how protein supplements affect body weight in people who are either normal weight or overweight. The goal is to see if adding protein helps with weight management.
Hangzhou, ZhejiangAges 20–50 - NCT06989320Recruiting
Oxalate production in calcium oxalate stone formers
This study looks at how the body makes oxalate (a natural substance that can form kidney stones) in people who have had calcium oxalate stones. You will eat a special diet and stop supplements for a short time to help researchers understand stone formation.
Birmingham, AlabamaAges 18–80 - NCT06870578Recruiting
Building healthy eating habits for preteens
This trial helps researchers develop programs to support healthy eating in kids ages 9-11 with overweight. It involves focus groups, and some parts include brain scans to understand eating habits.
Seattle, WashingtonAges 9 years+ - NCT06981247Recruiting
Heart disease prevention for office workers
This study tests ways to help city bank employees in Karachi lower their risk of heart disease and stroke. It focuses on people who sit a lot at work and want to prevent heart problems.
Karachi, SindhAges 20–65 - NCT06971263Recruiting
Dietary and palliative care for cancer patients in Bangladesh
This study tests whether talking with a dietitian and a palliative care specialist can improve quality of life, daily function, and nutrition for cancer patients in Bangladesh. It may help you feel better and manage side effects during treatment.
Chittagong, ChattogramAges Any age
Hear when a new Diet trial opens
We’ll email you when one opens — at most once a week, no account needed, unsubscribe anytime.
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.