Clinical trials
Supplementation clinical trials
Below are recruiting supplementation clinical trials, each written for real people, not researchers. We’re tracking 685 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06510348Recruiting
Feeding support for ventilated patients with gut issues
This trial tests a special approach to nutrition for patients on breathing machines who have trouble digesting food. It aims to see if the new method helps meet nutritional needs better.
BucharestAges 18 years+ - NCT06514573Recruiting
Butyrate supplement for children with autism and stomach issues
This study tests if a supplement called butyrate can help improve gut health in children aged 3-6 who have autism and ongoing stomach problems like constipation or bloating. It aims to see if this treatment eases their digestive symptoms.
NaplesAges 3–6 - NCT06521086Recruiting
Better nutrition recovery for trauma patients
This study tests if a special nutrition plan helps older adults recover better after a traumatic injury. It aims to improve healing by providing extra nutrition through food and drinks.
Durham, North CarolinaAges 45 years+ - NCT06535815Recruiting
Cyclic daytime feeding with ketogenic nighttime fasting for ICU patients
This trial tests a special feeding schedule where ICU patients receive nutrition during the day and fast at night, which may help their recovery. It aims to see if this approach is safe and beneficial.
Cologne, North Rhine-WestphaliaAges 18 years+ - NCT06535945RecruitingPhase 4
Albumin to protect kidney function after liver transplant
This trial tests whether giving albumin (a protein in your blood) after a liver transplant can help prevent or reduce kidney damage. It is for adults receiving their first liver-only transplant from a deceased donor.
Chambray-lès-ToursAges 18 years+ - NCT06551285Recruiting
Nutrition supplement for PCOS: effects on health and quality of life
This study tests whether a nutritional supplement can improve metabolism, reduce inflammation, and enhance quality of life in women with polycystic ovary syndrome (PCOS). It aims to help manage PCOS symptoms through dietary support.
Valencia, ValenciaAges 18–45 - NCT06566482RecruitingPhase 4
Medicine for pain after surgery in sleep apnea patients
This trial tests a combination of two medicines (dexmedetomidine and esketamine) given in small doses to help with pain after surgery. It is for people who have sleep apnea or are at risk for it, and who are having chest or belly surgery with a scope.
Beijing, Beijing MunicipalityAges 18–80 - NCT06568185RecruitingPhase 2
Alpha lipoic acid and vitamin B for diabetic nerve damage
This trial tests whether a combination of alpha lipoic acid (a natural antioxidant) and vitamin B supplements can help relieve nerve pain, numbness, or tingling caused by diabetes. It is for people with type 2 diabetes who have diabetic nerve damage.
Kubang Kerian, KelantanAges 18 years+ - NCT06576986Recruiting
Can a supplement prevent mouth sores during chemo?
This trial tests whether a special supplement (synbiotic) can prevent mouth sores caused by chemotherapy in people with colorectal cancer. It's for those starting treatment who live in or near Belo Horizonte, Brazil.
Belo Horizonte, Minas GeraisAges 18 years+ - NCT06576466Recruiting
Creatine for stroke recovery
This study tests whether taking a daily creatine supplement for a few weeks can help people recover movement better after a recent clot-caused stroke. If you've had a stroke in the past 1 to 5 days and need rehab for weakness or coordination issues, you may be able to join.
Palma de Mallorca, Balearic IslandsAges 18–80 - NCT06576479Recruiting
Supplement study for kidney disease and weight loss
This study tests if a special drink can improve nutrition and quality of life in people with chronic kidney disease (CKD) who are not on dialysis. It is for those who have lost weight or have poor appetite.
Guadalajara, JaliscoAges 18–90 - NCT06578637Recruiting
BHB supplement study for familial adenomatous polyposis
This trial tests whether taking a supplement called beta-hydroxybutyrate (BHB) can help prevent polyps in people with familial adenomatous polyposis (FAP), a condition that causes many polyps in the colon. The study has two parts: one for people who have already had colon surgery, and another for those who still have their colon.
Philadelphia, PennsylvaniaAges 18 years+ - NCT06587945RecruitingPhase 4
Nicotinamide riboside for retinal detachment repair
This trial tests if taking a daily supplement called nicotinamide riboside after retinal detachment surgery can help the eye heal better and see more clearly. It is for people who had a specific type of retinal detachment and have already had cataract surgery.
East Melbourne, VictoriaAges 18 years+ - NCT06590623Recruiting
How a ketone supplement affects your immune cells
This study tests what happens to your immune cells when you take a single dose of a common ingredient (ketone supplement) after not eating overnight. Researchers want to see if it changes how your immune system works at a molecular level.
Kelowna, British ColumbiaAges 19 years+ - NCT06595719Recruiting
Probiotics plus standard care for mild to moderate UC
This trial tests whether adding a multi-strain probiotic supplement to your usual care can help manage mild to moderate ulcerative colitis (UC). It lasts 12 weeks and requires you to stay on your current medications without changes.
Cheras, Kuala LumpurAges 18–90 - NCT06600633Recruiting
Melatonin supplement for better sleep quality
This trial tests whether a melatonin supplement can improve sleep quality in people with mild sleep issues. It may help if you have poor sleep but not full insomnia.
LjubljanaAges 24–65 - NCT06604793Recruiting
Creatine supplement study for young adults
This study tests whether taking creatine supplements affects muscle function in healthy young adults who are not currently doing resistance training. It may help understand if creatine can benefit people new to exercise.
Regina, SaskatchewanAges 18–39 - NCT06612554Recruiting
Zinc supplements for HIV patients with low CD4 counts
This trial tests whether taking zinc supplements helps HIV patients who have low CD4 cell counts even when their virus is well-controlled. If your zinc levels are normal but your immune cells are slow to recover, this might be for you.
BarcelonaAges 18 years+ - NCT06615986RecruitingEarly Phase 1
Synbiotic supplement test for gut health
This trial tests a synbiotic supplement made from human milk sugars to see if it can improve gut bacteria balance in healthy adults. You might join if you are 18 to 99, generally healthy, and not taking medications that affect your gut.
Bethesda, MarylandAges 18–99 - NCT06624709Recruiting
Iron schedule trial for premature babies
This study tests whether giving iron supplements 4 times a week is better than daily iron for premature babies. It aims to improve hemoglobin levels at 6 months.
Geneva, Canton of GenevaAges 2 weeks–2 weeks - NCT06631534RecruitingPhase 4
Testing dexmedetomidine for kids having heart defect closure
This trial tests adding a sedative medicine called dexmedetomidine to standard anesthesia for children aged 3 to 12 who are having a procedure to close a hole in their heart (atrial septal defect). The goal is to see if it helps them recover more smoothly.
Alexandria, Alexandria GovernorateAges 3–12 - NCT06636370Recruiting
Extra screening for women with dense breast tissue
This trial offers extra screening (MRI or contrast-enhanced mammogram) for women with extremely dense breast tissue who have had a normal mammogram. The goal is to see if these extra tests can find cancers that might be missed by standard mammography.
UtrechtAges 49–72 - NCT06639425Recruiting
Testing a probiotic for newly diagnosed type 2 diabetes
This study tests whether a probiotic called Lactobacillus Paracasei LC19 can help control blood sugar in people who have just been diagnosed with type 2 diabetes and are not on any diabetes medications. It may be a natural way to manage the condition.
Beijing, Beijing MunicipalityAges 18–65 - NCT06642363RecruitingPhase 1
Astaxanthin for PCOS symptoms and heart health
This trial tests if astaxanthin, a natural antioxidant, can improve PCOS symptoms and heart-related health in women with PCOS who are overweight but not pregnant or breastfeeding.
Isfahan, IsfahanAges 18–45
Hear when a new Supplementation 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 supplementation?
- Yes. Clin2 currently lists 685 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.