Clinical trials
Diet clinical trials
Below are recruiting diet clinical trials, each written for real people, not researchers. We’re tracking 657 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- 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 - 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 - NCT07649148Recruiting
Tracking What You Eat to Help Your Heart
This study asks people with moderate heart failure to use a food-tracking app and work with a coach to eat fewer ultra-processed foods. Researchers want to see if changing your diet this way can improve how you feel and how well your heart works.
Cleveland, OhioAges 18 years+ - 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 - 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+ - NCT07431658Enrolling by invitation
Diet and stress effects on omalizumab response in chronic hives
This study looks at how diet and oxidative stress (a type of cell damage) affect the severity of chronic hives and how well patients respond to the medication omalizumab (Xolair). It may help find ways to improve treatment by understanding these factors.
IstanbulAges 18–65 - NCT07358390Enrolling by invitation
Potatoes to improve diet in young children
This study tests whether adding potatoes to meals can help young children eat better. It involves children aged 2-6 in Head Start classrooms, their parents, and teachers.
University Park, PennsylvaniaAges 2 years+ - NCT07309484Enrolling by invitation
Lifestyle and health study
This study is investigating how everyday habits and lifestyle choices are linked to staying healthy. You will fill out an online questionnaire about your lifestyle.
ZadarAges 18 years+ - NCT07298603Enrolling by invitation
Nutrition plan for women with PCOS
This study tests whether a specific nutrition plan can help women with PCOS improve their health. You would follow a guided diet and have check-ins to see how it affects your symptoms and well-being.
Samsun, AtakumAges 20–45 - NCT07289672Enrolling by invitation
Food limits in Crohn's and colitis
This study looks at how diet affects people with Crohn's disease or ulcerative colitis who have moderate inflammation. It aims to understand if certain foods make symptoms worse or better.
MalmöAges 18 years+ - NCT07235332Enrolling by invitation
How diet affects heavy metals in the body
This study compares heavy metal levels in people who eat different types of diets—vegetarian/vegan, low-carb, or traditional omnivorous. It will help understand if certain diets lead to higher or lower exposure to toxic metals.
ArielAges 20–49 - NCT07228819Enrolling by invitation
Garden education wellness program for early care centers
This trial tests whether garden-based learning activities can improve health and wellness in early care and education settings. It involves teachers, children, and parents at participating centers.
Phoenix, ArizonaAges 3 years+ - 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+ - 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 - NCT06913985Enrolling by invitation
Study on heart health in teens and young adults
This study looks at how fitness, sleep, and diet during childhood affect heart and metabolic health in teenagers and young adults. It uses data and samples already collected from participants in earlier studies.
Little Rock, ArkansasAges 13–21 - NCT06828367Enrolling by invitation
Online nutrition program for families with young kids
This study tests an online nutrition education program to help families of young children eat more like a Mediterranean diet. It aims to see if the program improves healthy eating habits in kids aged 18 to 36 months.
Pamplona, NavarreAges 1.5 years–3 years - NCT06811363Enrolling by invitation
Bone's role in urine citrate levels
This study looks at how bones affect the amount of citrate (a natural substance) in urine. It may help doctors understand bone health in people with osteoporosis who haven't been treated yet.
Dallas, TexasAges 18 years+ - NCT06756581Enrolling by invitation
Baked dairy trial for children with eosinophilic esophagitis
This trial tests whether children with eosinophilic esophagitis triggered by cow's milk can safely eat baked dairy foods. If you are in remission on a milk-free diet, you may be able to add baked milk products back into your diet.
JerusalemAges Up to 18 years - NCT06745817Enrolling by invitation
Nutrition study for women of childbearing age
This study looks at how well women in their reproductive years get enough nutrients from their diet. It will compare the nutrition of women who eat a regular diet, a vegetarian diet, or a vegan diet.
LjubljanaAges 20–49 - NCT06634186Enrolling by invitation
Fiber-rich diet for liver cirrhosis patients
This study tests whether eating more dietary fiber can improve outcomes for people with liver cirrhosis and high blood pressure in the liver (portal hypertension). If you have cirrhosis, adding fiber to your diet might help.
Hanover, Lower SaxonyAges 18 years+ - NCT06603519Enrolling by invitation
Can a diet reduce inflammation after a colonoscopy?
This study tests whether a special diet can help reduce inflammation and improve gut health after a colonoscopy. It is for people who are getting a repeat colonoscopy because they've had polyps before.
San Diego, CaliforniaAges 18 years+ - NCT06560554Enrolling by invitation
Fermented diet for long COVID microbiome health
This study tests whether eating fermented foods (like yogurt, kimchi, or sauerkraut) can improve gut health and ease symptoms in people with long COVID. You'll log your food on your phone and follow a fermented diet for a period of time.
Rochester, MinnesotaAges 18 years+ - NCT06558201Enrolling by invitation
Open-label extension for completers of earlier study
This trial is for people who finished a 12-week study (NCT06221852) and still meet its original requirements. It offers continued access to the study treatment.
Belmont, MassachusettsAges 18–45 - NCT06401694Enrolling by invitation
Enhanced home meal program for older adults' health
This trial is testing a new, enhanced home-delivered meal program for older adults. It aims to see if these meals improve health and well-being for people who are already eligible for Meals on Wheels and are at nutritional risk.
Storrs, ConnecticutAges 60 years+
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Common questions
- Are there clinical trials for diet?
- Yes. Clin2 currently lists 657 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.