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
- NCT06826105Recruiting
Nutritional drink with digestive enzymes for older hospital patients at risk of malnutrition
This study tests whether giving a special nutritional drink along with pancreatic enzymes helps older hospital patients who are at risk of malnutrition. The goal is to improve their nutrition and overall health during their hospital stay.
AarauAges 60 years+ - 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 - NCT05728229Recruiting
Nutrition program for fatigue after stroke
This study looks at whether a nutrition approach can reduce fatigue in people after a stroke. It will compare the effects of diet-related support during recovery, aiming to help you feel less tired and more active.
Roma, RMAges 55 years+ - NCT06813261Recruiting
GLYLO supplement trial for aging in postmenopausal women
This trial tests whether a supplement called GLYLO can reduce markers of aging related to sugar damage in postmenopausal women. It may help if you are between 45 and 65, have some extra belly fat or higher blood sugar, and are not taking certain medications.
Novato, CaliforniaAges 45–65 - NCT06800859Enrolling by invitation
Predicting headache after spinal puncture
This study looks at patients having spinal anesthesia to find patterns that might predict a post-dural puncture headache. It aims to create a risk model that can help prevent or manage this complication.
Wuhan, HubeiAges 3–34 - NCT06337812Recruiting
Fiber supplement study for heart failure and diabetes
This study tests whether adding a daily fiber supplement can improve health in people with heart failure and type 2 diabetes. Participants take the supplement for several weeks to see if it helps manage symptoms and blood sugar.
Ann Arbor, MichiganAges 18 years+ - NCT06776640Recruiting
Vitamin D3 before dental implant surgery for better bone bonding
This trial tests whether taking vitamin D3 pills before and after dental implant surgery helps the implant bond better with the bone. It is for people who have low vitamin D levels and are already scheduled for an implant.
Nantes, NantesAges 18 years+ - NCT06776016RecruitingPhase 2
Dietary supplement for radiation-related rectal injury
This trial tests a dietary supplement to help heal damage inside the rectum caused by pelvic radiation therapy. If you have mild to moderate rectal bleeding but no signs of cancer recurrence, you may be able to join.
Guangzhou, GuangdongAges 18–75 - NCT06756711Enrolling by invitation
Supplement combination for children with autism
This trial tests whether a combination of supplements can help children with autism spectrum disorder. It involves taking oral supplements daily for 6 months, along with blood tests and behavior assessments at the start, midpoint, and end.
BucharestAges 3–14 - NCT06087510RecruitingPhase 4
Different doses of esketamine and dexmedetomidine for pain after scoliosis surgery
This trial tests two different doses of esketamine and dexmedetomidine to see which provides better pain relief after scoliosis correction surgery. It aims to improve your recovery and long-term outcomes.
Beijing, Beijing MunicipalityAges 18 years+ - NCT06746805Recruiting
Ketone drink and exercise fuel use in trained cyclists
This study tests if drinking a ketone supplement before exercise changes how your body uses carbs for fuel. It may help trained cyclists and triathletes understand fuel efficiency.
Maastricht, LimburgAges 18–50 - NCT06727253Recruiting
Glycan supplement study for Crohn's disease after surgery
This trial tests whether a glycan supplement can prevent Crohn's disease from coming back after surgery to remove the diseased part of the small and large intestine. It may help people who have had this specific surgery and are not taking certain other treatments.
Lisbon, Lisbon DistrictAges 18–75 - NCT06731582Enrolling by invitationPhase 3
Nicotinamide supplement study for glaucoma patients
This trial tests whether a vitamin B3 supplement called nicotinamide can help slow down vision loss in people with glaucoma. It is for those with moderate disease who are already on treatment.
Singapore, Central SingaporeAges 21 years+ - NCT06721949RecruitingPhase 2/Phase 3
Taurine for long COVID symptoms
This trial tests if taking taurine, a natural amino acid supplement, can help reduce lingering symptoms of COVID-19 that last for months. If you have had COVID-19 and still have symptoms like fatigue or brain fog for at least 2 months after 3 months from your infection, this study might be for you.
Edmonton, AlbertaAges 18 years+ - NCT06717659Recruiting
Probiotics for lung rehab in COPD patients
This trial tests if adding probiotics (healthy bacteria you take as a supplement) to your regular lung rehab program helps people with COPD breathe better and feel stronger.
New Taipei CityAges 18 years+ - NCT06694727RecruitingPhase 3
Nutritional supplements for heart failure
This trial tests whether nutritional supplements can improve outcomes for people with heart failure. It aims to find an easy-to-follow, practical way to help manage the condition.
HellerupAges 18 years+ - 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 - NCT06689761Enrolling by invitation
Collagen peptides and exercise: muscle strength study
This trial tests whether taking collagen peptides before exercise can improve how your muscles adapt to strength training. It could help you build muscle more effectively.
Vienna, State of ViennaAges 18–40 - NCT06683599Recruiting
Oxygen via nasal tube for babies during breathing tube placement
This study tests whether giving extra oxygen through a small tube in the nose during placement of a breathing tube helps young children stay safer. It is for newborns and infants up to about 1 year old who need a breathing tube for surgery or other non-emergency procedures.
Perth, Western AustraliaAges 1 minute–12 months - NCT06673082Enrolling by invitation
Zinc as a new therapy for cow milk allergy in children
This study tests if adding zinc to standard treatment helps children with cow milk protein allergy. It aims to see if zinc can improve their symptoms and make them feel better.
GizaAges 1 month–12 years - NCT06648018Enrolling by invitation
Iron supplement vs. nutrition advice in healthy women
This study compares taking an iron supplement to receiving nutritional advice in healthy women who menstruate and exercise regularly. The goal is to see which approach better supports iron levels and overall health.
LinköpingAges 20–40 - 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 - NCT04959864Recruiting
Food supplement study for sperm DNA damage in men
This trial tests whether a daily food supplement (with myo-inositol, N-acetyl-cysteine, zinc, and vitamins) can reduce sperm DNA damage. It enrolls men with higher-than-normal sperm DNA fragmentation, and it checks semen health during the study.
ParisAges 20–45 - NCT06623981Recruiting
Treating maternal depression in an urban asthma clinic
This study tests whether treating depression in Black mothers of children with asthma can improve both the mother's mood and the child's asthma. It offers support for mothers who are feeling down and may help their child's asthma get better.
Washington D.C., District of ColumbiaAges Any age
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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.