Clinical trials
Diet clinical trials
Below are recruiting diet clinical trials, each written for real people, not researchers. We’re tracking 649 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07157397Recruiting
Plant-based diet for nutrition on dialysis
This study tests if eating more plant-based foods can improve nutrition in people on peritoneal dialysis who are underweight or malnourished. Participants will follow a special diet plan and have regular health check-ups for 6 months.
Cheras, Kuala LumpurAges 18 years+ - NCT07162337Recruiting
Diet education to lower colon cancer risk after polyp removal
This study tests whether a diet education program can change the balance of gut bacteria and bile acids to lower the risk of colorectal cancer in people who have had polyps removed.
Boston, MassachusettsAges 18–80 - NCT07195383Recruiting
Safe swallowing check after breathing tube removal in ICU
This study tests a special nutrition program for patients who just had a breathing tube removed in the ICU. It aims to see if a safe swallowing check can help prevent problems and make feeding safer.
IstanbulAges 18 years+ - NCT06538415Recruiting
Can peas and beans improve your skin health?
This study tests whether adding more peas, beans, and lentils (polyphenol-rich pulses) to your daily diet can improve your skin health by changing the natural bacteria living on your skin.
Gainesville, FloridaAges 45–65 - NCT07269847Recruiting
Beef-heavy diet study for adults with pre-diabetes
This study tests whether a diet rich in beef can improve metabolic health in adults with pre-diabetes or metabolic syndrome compared to a typical healthy U.S. diet. Eligible participants will follow one of two meal plans for several weeks.
Guelph, Ontario - onAges 18–74 - NCT07289399Recruiting
Walking with diet for psoriasis and PCOS
This study tests whether adding treadmill walking to a diet plan helps women with psoriasis and PCOS who are obese. It compares the effects of diet alone versus diet plus walking on skin and hormone health.
Giza, DokkiAges 35–45 - NCT07299942Recruiting
Beta-glucan supplement for weight loss in women
This trial tests whether taking a beta-glucan supplement (a type of fiber) during a calorie- and carb-restricted diet helps with losing body weight and fat, controlling appetite, and managing hunger hormones. It is for healthy women who are overweight or obese and not following a special diet.
GlasgowAges 18–60 - NCT07323706Recruiting
Ayurvedic diet for hypothyroidism with sluggish digestion
This trial tests whether an Ayurvedic diet can help people with hypothyroidism who have a sluggish digestive type (Vishamagni). It may offer a dietary approach alongside your usual thyroid medication.
Copenhagen, FrederiksbergAges 18–90 - NCT07675603Recruiting
Low-carb diet and cholesterol study
This study looks at how a low-carb, high-fat ketogenic diet affects cholesterol levels in healthy adults. It may help you understand how your body responds to this type of diet.
Bath, Bath and North East SomersetAges 18 years+ - NCT07446985Recruiting
Exercise and diet for PCOS with asthma
This study tests whether adding physical exercise to a diet plan helps women who have both PCOS and asthma. It may help you lose weight and manage your symptoms.
Giza, DokkiAges 20–30 - NCT07509671Recruiting
Can a diet help painful diabetic nerve pain?
This study tests whether a special diet can help reduce pain caused by nerve damage from Type 2 diabetes or prediabetes. You may qualify if you have painful diabetic neuropathy and are looking for a non-medication approach.
Hendersonville, North CarolinaAges 18 years+ - NCT07524244Recruiting
Ketogenic and carnivore diets for IBD and rheumatoid arthritis
This study tests whether special diets (ketogenic or carnivore/meat-based) can help reduce inflammation and symptoms in people with inflammatory bowel disease or rheumatoid arthritis. You'll follow dietary guidelines for 3 weeks, then continue in the study while researchers track how you respond.
Charlottesville, VirginiaAges 18–64 - NCT07537361RecruitingPhase 2
Leucine-Restricted Diet With Chemotherapy for Gastric Cancer
This trial tests whether a special diet low in leucine (an amino acid) combined with chemotherapy and immunotherapy drugs can help treat locally advanced gastric cancer before surgery. The goal is to see if this combination is safe and more effective than standard treatment alone.
Jinan, ShandongAges 18–70 - NCT07553936Recruiting
Alternative Proteins in Mediterranean Food Supply Chains
This study tests new plant-based and alternative protein foods (like those from legumes, insects, and algae) to see if they're safe, healthy, and practical for everyday use. You'll help researchers understand how these sustainable protein options can work in Mediterranean diets.
Bologna, BOAges 18–65 - NCT07594600Recruiting
Fiber Diet Effects on Breath Compounds in Healthy Adults
This study examines how different amounts of dietary fiber affect natural chemical compounds released in your breath. Researchers will measure these compounds to understand how fiber influences your gut health and digestion.
ÖrebroAges 18–65 - NCT07546942Enrolling by invitationPhase 1/Phase 2
Autism Treatment Using Stem Cells, Gut Microbiome, and Diet
This study tests whether a combination of stem cell therapy, gut microbiome restoration (using specially prepared stool), and dietary changes can improve autism symptoms, communication, social behavior, and digestive issues. Researchers believe gut health and immune system problems may contribute to autism, and this trial explores whether treating these areas helps.
Hamilton, MontanaAges 10–90 - NCT06782737Enrolling by invitation
Mediterranean diet vs standard diet for sleep apnea
This study compares the Mediterranean diet to a standard diet to see which one improves heart and metabolic health in people with moderate to severe sleep apnea. You might benefit from learning if changing what you eat can help manage your condition.
Mexico City, Mexico CityAges 30–70 - NCT05799768Enrolling by invitation
Ketogenic diet for rheumatoid arthritis symptoms and inflammation
This study tests whether a very low-carbohydrate, ketogenic diet can improve rheumatoid arthritis (RA). It’s designed for people whose RA treatment is already stable and who are not currently using a keto diet or certain medicines.
Oklahoma City, OklahomaAges 18–65 - NCT05411549Enrolling by invitation
Mediterranean diet program for people with endometriosis
This trial tests whether following a Mediterranean-style diet is doable and helpful for people with endometriosis. It’s a feasibility study, meaning the goal is to see if the diet plan can be followed and how people respond.
Hamilton, OntarioAges 18–45 - NCT03851458Enrolling by invitationPhase 2
Spanish coaching for healthier food choices for weight
This Phase 2 study tests a program (with food guidance, text messages, and check-ins) to help people eat more healthfully. It is designed for adults who are overweight or obese and can speak Spanish (with some separate tracks for different groups).
New York, New YorkAges 18 years+ - NCT06842433Recruiting
Personalized nutrition study for weight and health
This study tests a personalized nutrition program based on your unique data. It aims to help improve health and weight through tailored diet advice.
WageningenAges 40–70 - NCT06252922Recruiting
How diet changes genetic material in healthy young men
This study looks at how diet can change genetic material in healthy young men. You would eat prepared meals, wear a glucose monitor, and give blood and sperm samples to help researchers understand these effects.
Baton Rouge, LouisianaAges 20–35 - NCT06155344Recruiting
Vegetarian diet during pregnancy and baby health
This study looks at how a plant-based diet during pregnancy might affect the health of the mother and newborn. It asks pregnant women about their eating habits to see if a more vegetarian diet is linked to better outcomes.
Nantes, Loire-AtlantiqueAges 18 years+ - NCT07326891Recruiting
Mediterranean diet with cycling and rowing for blood sugar in prediabetic women
This trial tests whether following a Mediterranean diet and doing cycling and rowing exercise can help lower blood sugar in women with prediabetes. It may help you find a safe way to prevent or delay diabetes.
Beykoz, IstanbulAges 22–55
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Common questions
- Are there clinical trials for diet?
- Yes. Clin2 currently lists 649 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.