Clinical trials
Supplementation clinical trials
Below are recruiting supplementation clinical trials, each written for real people, not researchers. We’re tracking 692 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06219525Recruiting
Zinc Dose Study for Very Premature Infants
This trial tests whether giving a higher dose of zinc (a mineral that helps growth and immunity) to very premature babies who weigh less than 800 grams can improve their health. It compares the higher dose to the standard dose.
Hat Yai, Changwat SongkhlaAges Any age - NCT06236932Recruiting
Infection risk in obesity study
This study looks at how obesity and related conditions affect your body's ability to fight infections. It may help find ways to prevent illness in people with obesity.
NaplesAges 18–65 - NCT06247813RecruitingPhase 2
Supplements guided by biomarkers for chronic pain
This study tests whether taking specific dietary supplements based on your biomarker results (from a urine sample) can improve quality of life for people with chronic pain. You'll take the supplements daily and report how you're feeling.
Newport, KentuckyAges 18–75 - NCT06256744Recruiting
Can exercise build muscle in young and older adults?
This study tests how resistance exercise (like lifting weights) helps build muscle in healthy people of different ages. If you are free from major health conditions and injuries, you may be able to join and help researchers understand how muscles stay strong.
St. Catharines, OntarioAges 7–35 - NCT06260072RecruitingPhase 2
Magnesium and Riboflavin for Post-Concussion Headaches
This trial tests if taking magnesium and riboflavin (vitamin B2) can help reduce headaches after a concussion. It is for University of Virginia students who have had a concussion within the past 3 days and can swallow pills.
Charlottesville, VirginiaAges 18–40 - NCT06260891RecruitingPhase 2
Zinc study for sickle cell disease and bone health
This study tests if taking zinc supplements can improve bone health in people with sickle cell disease. It's for those with certain types of sickle cell disease (SS or S-Beta zero thalassemia) who are not on chronic transfusions or zinc supplements.
Oakland, CaliforniaAges 15–40 - NCT06261554Recruiting
Low-dose sesame oral immunotherapy for children
This study tests if a very low daily dose of sesame protein (given as a powder under the tongue) can help children with sesame allergy become less sensitive to sesame. The goal is to reduce the risk of severe allergic reactions from accidental exposure.
Warsaw, Masovian VoivodeshipAges 3–17 - NCT06265246Recruiting
Milk and yogurt for stronger bones in young adults
This study tests whether adding milk and yogurt to your diet can improve bone health and body composition. If you're a young adult with low calcium intake, you may qualify to join.
Saskatoon, SaskatchewanAges 19–30 - NCT06268665RecruitingPhase 2
Tart Cherry Juice for Preventing Nerve Damage from Chemotherapy
This study tests whether tart cherry juice can help prevent nerve damage (peripheral neuropathy) caused by the chemotherapy drug paclitaxel. Participants drink tart cherry juice daily during their 12 weeks of paclitaxel treatment.
Sacramento, CaliforniaAges 18 years+ - NCT06284473RecruitingPhase 4
Ketamine with numbing medicine for minor emergency procedures
This study tests whether adding ketamine to the usual numbing medicine makes minor procedures in the emergency department less painful. You may be a good fit if you are having a small procedure like stitches or abscess drainage.
Maywood, IllinoisAges 7–70 - NCT06286748Recruiting
Beetroot drink and exercise for kidney disease
This study tests if drinking beetroot extract along with a structured exercise program can help people with chronic kidney disease. It looks at whether this combination can improve health and delay the need for more advanced treatments.
Rio de Janeiro, Rio de JaneiroAges 18–65 - NCT06291038Recruiting
Glutamine for IBS with leaky gut
This trial tests whether a supplement called glutamine can help people with irritable bowel syndrome (IBS) who have increased gut permeability (leaky gut). It aims to see if taking glutamine improves digestive symptoms and quality of life.
AmiensAges 18–75 - NCT06309563Recruiting
Essential amino acid diet for severe obesity
This study tests whether replacing some foods with essential amino acids (protein building blocks) can improve metabolism in people with severe obesity. It aims to find a non-surgical way to boost weight loss.
Oggebbio, VerbaniaAges 45–65 - NCT07694791Recruiting
Gut health supplements for people on peritoneal dialysis
This trial tests whether taking probiotic and prebiotic supplements can improve gut health in people receiving peritoneal dialysis at home. It may help with digestion and overall well-being.
Monterrey, Nuevo LeónAges 18 years+ - NCT06351124RecruitingPhase 1/Phase 2
Beta-hydroxybutyrate for active Crohn's disease when starting new therapy
This study tests whether a natural substance called beta-hydroxybutyrate (BHB) can help treat active Crohn's disease when you start a new prescription therapy. It aims to see if adding BHB is safe and practical.
Austin, TexasAges 18 years+ - NCT06362837Recruiting
Nutrition, hygiene, and sexual health program for families
This trial tests a program called REACTS-IN to improve nutrition, hygiene, and sexual/reproductive health. It is designed for mothers, fathers, adolescents, and young children living in communities in Kenya.
DhakaAges Any age - NCT06395506Recruiting
Exercise and creatine for breast cancer survivors
This trial tests if adding creatine supplements to a virtual exercise program helps breast cancer survivors recover after chemotherapy. Participants will attend online exercise sessions three times a week and take creatine by mouth.
Galveston, TexasAges 18–75 - NCT06424756RecruitingPhase 2
Antioxidant supplement for blood vessel health
This study tests whether an antioxidant supplement can improve blood vessel health in healthy adults. It compares the supplement's effects in non-Hispanic Black and non-Hispanic White participants to see if there are differences in how blood vessels respond.
Athens, GeorgiaAges 18–75 - NCT06425042Recruiting
Nicotinamide riboside with exercise for healthy aging
This study tests whether a daily supplement called nicotinamide riboside (a form of vitamin B3), combined with a supervised exercise program, can help promote healthy aging and improve how well your body functions. You would take the supplement or a placebo for 12 weeks while doing light to moderate exercise.
Santiago, Santiago MetropolitanAges 60–80 - NCT06434753RecruitingPhase 3
Zinc supplements for stable advanced liver disease
This trial tests whether taking zinc supplements can improve the outlook for people with a certain type of advanced liver disease that is still stable (no major complications). If you have compensated advanced chronic liver disease and meet the criteria, you might be able to join.
BarcelonaAges 18–80 - NCT06438445Recruiting
Royal Jelly Supplement for Kidney Disease on Dialysis
This study tests whether a daily supplement called royal jelly can help people with chronic kidney disease who are on dialysis. Researchers will check if it improves health markers.
Rio de Janeiro, Rio de JaneiroAges 18–70 - NCT06450925RecruitingPhase 2
Vitamin A supplements for donor stem cell transplant patients
This study tests whether giving extra vitamin A to adults receiving donor stem cell transplants can help improve outcomes. It is for patients whose vitamin A levels are not high and who can take it by mouth.
Tampa, FloridaAges Any age - NCT06467825Recruiting
Sex differences in standing up after moon landing
This NASA trial tests how men and women differ in standing up after landing on the moon. Volunteers receive a water pill (furosemide) to see how their blood pressure and heart respond during simulated lunar descent and ascent.
Houston, TexasAges 25–55 - NCT06475807Recruiting
Dietary changes for people on immunotherapy for cancer
This study tests whether a change in diet can help people with early-stage melanoma or lung cancer who are receiving immunotherapy (a type of treatment that helps your immune system fight cancer). You will be asked to follow a diet, give blood and stool samples, and complete questionnaires to see how the diet affects your body and treatment.
Pittsburgh, PennsylvaniaAges 18 years+
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Common questions
- Are there clinical trials for supplementation?
- Yes. Clin2 currently lists 692 recruiting supplementation 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 supplementation 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 supplementation 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.