Clinical trials
Supplementation clinical trials
Below are recruiting supplementation clinical trials, each written for real people, not researchers. We’re tracking 691 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07339280Enrolling by invitation
Probiotics for COPD: symptoms, lungs, and inflammation
This study tests whether taking a probiotic can improve symptoms, lung function, and inflammation in people with COPD. It is for adults with stable COPD who have not had a flare-up or treatment change in the last two months.
KarlovacAges 18 years+ - NCT07280520Enrolling by invitation
Luteolin supplement for athlete performance and metabolism
This study tests whether a daily luteolin supplement (a natural compound found in some plants) can improve how your muscles and fat cells use energy, boost your athletic performance, and change your body composition over 12 weeks.
Amman, Amman GovernorateAges 18–35 - NCT07234916Enrolling by invitation
Multivitamins for people starting weight-loss injections
This trial tests whether a multivitamin can help people on the weight-loss injection Tirzepatide maintain healthy vitamin levels. If you're using this injection and meet the other criteria, you may join.
AmersfoortAges 18–70 - NCT07224555Enrolling by invitation
A gummy supplement for women with thinning hair
This study tests whether a daily gummy supplement called Xtressé can help with self-perceived thinning hair in women. If you are a woman between 18 and 65 who feels your hair is thinning, this trial may help determine if the supplement is effective for you.
Maitland, FloridaAges 18–65 - NCT07202403Enrolling by invitation
Dietary supplements and aging therapy trial
This trial tests dietary supplements and other treatments aimed at slowing the effects of aging. It is looking for generally healthy adults who are not taking immune-altering medications or other conflicting therapies.
New York, New YorkAges 18–75 - NCT07162285Enrolling by invitation
Bubble CPAP for Preterm Babies with Breathing Problems
This trial tests a special breathing support called bubble CPAP, given right after birth in the delivery room, to help preterm babies (born before 34 weeks) who are having trouble breathing. It aims to see if starting this treatment early can improve their breathing and health.
DhakaAges 5 minutes–30 minutes - NCT07114588Enrolling by invitation
High-protein drink for muscle loss during cancer treatment
This study tests whether a high-protein drink can help prevent or improve muscle loss and weakness in people with cancer who are getting chemotherapy or preparing for chest surgery. If you are 40 or older, have low muscle strength, and can manage daily activities, you may be able to join.
Taipei, TaipeiAges 40 years+ - NCT07036952Enrolling by invitation
Omega-3 for metabolic syndrome in PCOS
This trial tests if adding omega-3 supplements to standard care helps women with PCOS who also have metabolic syndrome. It may offer a natural way to improve associated health issues.
Dhaka, BsmmuAges 18–36 - NCT06971445Enrolling by invitation
Omega-3 supplements for pregnant women with HIV
This trial tests whether taking omega-3 supplements can improve pregnancy outcomes and reduce inflammation in pregnant women living with HIV who are on antiretroviral therapy. If you are between 20 and 29 weeks pregnant with a single baby, you may be eligible to join.
Mexico City, Mexico CityAges 18 years+ - 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 - 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 - 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+ - 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 - NCT06455423Enrolling by invitation
ELDOA and adjustments for upper back pain and posture
This study tests whether adding a gentle stretching technique (ELDOA) to standard upper back adjustments can improve upper back pain, reduce hunching, and correct forward head posture. It is for adults with upper back discomfort and postural issues.
Islamabad, FederalAges 19–44 - 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+ - NCT06373848Enrolling by invitation
Vitamin E and Coenzyme Q10 for early gum disease
This study tests whether adding vitamin E and coenzyme Q10 to standard gum treatment can help heal early-stage chronic gum disease. It is for otherwise healthy adults aged 28-35 with mild gum pockets on their lower molars.
TehranAges 28–40 - NCT06173973Enrolling by invitationPhase 2/Phase 3
Ketone supplement for alcohol withdrawal symptoms
This study tests whether a special supplement (ketones) can help people feel better during alcohol withdrawal. It is for adults who are already in a treatment program for alcohol withdrawal.
Philadelphia, PennsylvaniaAges 18–75 - NCT06121492Enrolling by invitationPhase 3
Amino Acid Drink for Muscle Loss in Liver Cirrhosis
This study tests whether taking a daily drink of branched-chain amino acids (a type of protein) can help people with liver cirrhosis who have lost muscle strength and mass. It may help improve muscle size and function.
Bangkok, BangkokAges 18–85 - NCT05656664Enrolling by invitation
Folic acid to reduce effects of arsenic exposure
This study tests whether taking folic acid can help reduce health effects from arsenic exposure in people living near a Superfund site. You would be enrolled only if you meet safety rules, including not being pregnant and not already taking folic acid.
Birmingham, AlabamaAges 18–89
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Common questions
- Are there clinical trials for supplementation?
- Yes. Clin2 currently lists 691 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.