Clinical trials
Supplementation clinical trials
Below are recruiting supplementation clinical trials, each written for real people, not researchers. We’re tracking 671 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07463352Recruiting
Pre-surgery nutrition for frail seniors with hip fractures
This study tests if giving a special protein drink before surgery helps frail older adults with a broken hip recover better. It might reduce complications after surgery.
DüzceAges 65 years+ - NCT07466420Recruiting
Quercetin for fibrotic lung disease
This trial tests whether taking quercetin, a natural supplement, can help people with fibrotic interstitial lung diseases (a group of conditions that cause scarring in the lungs). If you have been diagnosed with idiopathic pulmonary fibrosis (IPF) or another fibrotic ILD and are on standard treatments, you may be able to join.
Heraklion, CreteAges 18 years+ - NCT07457333Enrolling by invitationPhase 1/Phase 2
Beta-sitosterol for recovery after a brain aneurysm bleed
This study tests a natural compound called beta-sitosterol (from Gastrodia elata) to see if it can help people recover better after a brain aneurysm bleed. You must have had your aneurysm treated within 48 hours and be in relatively stable condition.
Hangzhou, ZhejiangAges 18–75 - NCT07459504RecruitingPhase 2
Smart diets for kids with fatty liver disease
This study compares different diet plans to see which works best to reduce fat in the liver of children and teens with MASLD (a type of fatty liver disease). If your child drinks sugary beverages often and has certain health risks like being overweight or having high cholesterol, this trial may help find a healthy eating plan that works.
Grand Rapids, MichiganAges 11–17 - NCT07454616Recruiting
Supplement and exercise study for pre-frail adults
This study tests whether a special nutrient supplement combined with a simple exercise routine can improve health markers linked to living longer. It is designed for adults who are starting to feel less strong or energetic but are not yet frail.
SingaporeAges 50–80 - NCT05465629Recruiting
Viome nutrition program for IBS symptoms
This trial studies whether a Viome nutrition program (based on supplement/formulation instructions) can improve symptoms in people with IBS. You may be asked to follow a specific nutrition plan and tracking steps for the study period.
Bothell, WashingtonAges 25–75 - NCT05564273Recruiting
Viome nutrition program for people with metabolic health issues
This trial tests whether a personalized Viome nutrition program can improve metabolic health (such as higher fasting insulin or glucose). You would use their app and follow the program, while researchers monitor health outcomes over time.
Bothell, WashingtonAges 25–75 - NCT07451496Recruiting
Personalized aging study with lifestyle and supplements
This study tests whether personalized lifestyle advice, supplements, and exercise can help slow aging and improve health. If you are a generally healthy adult aged 50–80 who is not currently exercising, you may be a good fit.
Singapore, SingaporeAges 50–80 - NCT07448597RecruitingPhase 4
Progesterone for preventing preeclampsia
This trial tests if taking progesterone early in pregnancy can help prevent preeclampsia, a condition of high blood pressure. You may qualify if you are over 18, speak English, and are less than 12 weeks pregnant.
Charleston, South CarolinaAges 18 years+ - NCT07453693Recruiting
Urinary health drink mix study for women with frequent UTIs
This trial tests a dietary supplement drink mix designed to improve urinary health. It is for women who have had at least two urinary tract infections in the last six months and are currently at the start of a new UTI.
Harrison, New YorkAges 18–75 - NCT06379971RecruitingPhase 1
Choline for cannabis use in pregnancy
This trial tests whether taking choline (a vitamin-like nutrient) during pregnancy can help protect the baby's brain development in women who use cannabis. It aims to understand if choline supplementation can reduce potential risks linked to cannabis use.
Aurora, ColoradoAges 18–45 - NCT07442097Recruiting
Safety of a nutritional supplement in healthy older adults
This study tests a nutritional supplement (N-acetyl-L-cysteine and glycine) to see if it is safe and well-tolerated in healthy older adults. It may help if you are looking for ways to support your health as you age.
Pune, MaharashtraAges 60–80 - NCT07440147Recruiting
Akkermansia and Berberine for night shift workers' insulin sensitivity
This trial tests whether taking a probiotic called Akkermansia muciniphila and a natural plant compound called berberine can improve how your body uses insulin. If you work night shifts regularly, this study may help you find a way to support your metabolic health.
Graz, StyriaAges 21 years+ - NCT07442864Recruiting
Study of a supplement for hunger and weight
This trial tests a dietary supplement designed to support leptin, a hormone that helps control appetite. If you're an adult curious about how it affects your hunger and weight, you may be able to join.
New York, New YorkAges 18 years+ - NCT07437391Recruiting
L-carnitine for preterm babies with breathing problems
This trial tests whether giving L-carnitine, a nutrient that helps cells make energy, to premature newborns with respiratory distress syndrome (RDS) can improve their health. It may help their bodies cope better in the NICU.
Muzaffargarh, Punjab ProvinceAges 1 hour–1 day - NCT07437222Recruiting
Ginger capsules for inflammation in overweight adults
This study tests whether taking ginger capsules can help reduce inflammation, oxidative stress, and improve blood vessel function in people who are overweight or obese but otherwise healthy. You would take ginger capsules daily for several weeks and have your blood and blood vessel health checked.
Murcia, MurciaAges 23–65 - NCT07435766Recruiting
Iron absorption from supplements in Kenyan pregnancy
This study looks at how well pregnant women in Kenya absorb iron from two types of supplements during the second trimester. It aims to find which supplement works best for you and your baby.
Kwale, Kwale CountyAges 18–35 - NCT07443280Recruiting
Gut health supplement study for dialysis patients
This trial tests whether a special blend of probiotics and prebiotics (called a synbiotic) can improve gut health and reduce harmful waste products in the blood for people on hemodialysis.
Taichung, Wuqi DistrictAges 18 years+ - NCT07443943RecruitingPhase 2
Potato starch supplement for joint pain from hormone therapy
This trial studies whether a dietary supplement made from resistant potato starch can help reduce joint and muscle pain in people who are about to start aromatase inhibitor therapy for breast cancer or high risk. You take the supplement daily and report how you feel over 24 weeks.
Ann Arbor, MichiganAges Any age - NCT07433946Recruiting
Liquid nutrition to prevent weight loss in IBD
This study tests whether adding a special liquid nutrition drink (partial enteral nutrition) to your regular diet can help prevent weight loss and muscle loss in people with Crohn's disease or ulcerative colitis who are at risk of malnutrition.
Rozzano, MilanoAges 18–65 - NCT07433686Recruiting
Saskatoon Berry Juice for Muscle Recovery
This trial tests whether Saskatoon berry juice helps muscles recover after exercise. It involves healthy adults aged 18–35 who can exercise safely.
Saskatoon, SaskatchewanAges 18–35 - NCT07433049Recruiting
Health supplement study for midlife women
This study tests whether a nutritional supplement can improve metabolic health in women aged 40-60 who are Chinese, Malay, or Indian and have a BMI between 23 and 35. The goal is to see if the supplement helps with weight, blood sugar, and other health markers.
SingaporeAges 40–60 - NCT07432490RecruitingPhase 2
Fucose supplement trial for GLUT1 deficiency
This trial tests whether taking fucose (a type of sugar) can help people with GLUT1 deficiency syndrome, a rare genetic condition that affects how the brain gets energy. If you have ataxia (trouble with balance or coordination) and meet other criteria, this study may be an option for you.
Portland, OregonAges 18 years+ - NCT07421596Recruiting
Dietary supplement study for gut and digestive health
This trial tests whether a dietary supplement system can improve gut and digestive health over 8 weeks. You may be eligible if you have digestive symptoms like bloating, stomach pain, or diarrhea.
San Francisco, CaliforniaAges 18–80
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Common questions
- Are there clinical trials for supplementation?
- Yes. Clin2 currently lists 671 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.