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
- 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 - NCT06344442RecruitingPhase 3
Low-dose vasopressin for kidney protection after liver transplant
This trial tests whether giving a low dose of a hormone called vasopressin after a liver transplant can help prevent kidney injury. It's for adults scheduled for a planned liver transplant.
ParisAges 18 years+ - NCT05067998Recruiting
Natural medicine and vitamin IV study for overall health
This study looks at whether natural medicine, vitamin IV fluids, and supplements can help people maintain good health. There don’t appear to be specific eligibility limits listed, so many people may be able to join, but you’d still need screening by the study team.
Dover, DelawareAges 21–80 - 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 - 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 - NCT06275542Enrolling by invitation
Removing breathing tube without standard monitoring device
This study tests if it is safe to remove the breathing tube after surgery based on oxygen levels without using a special nerve monitor. It may help find a simpler method for deciding when to take the tube out.
YogyakartaAges 18–60 - 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 - 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+ - 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 - NCT06128278RecruitingPhase 2
Equol supplement and blood vessel health in women
This study tests whether taking an Equol supplement (a soy-related compound) improves blood vessel function in postmenopausal women with and without chronic kidney disease (CKD). It could help women with or without early-stage CKD learn if this supplement supports heart health.
Aurora, ColoradoAges 50–69 - NCT06208813Recruiting
Creatine for Concussion Recovery in Young Adults
This study tests whether taking creatine (a natural muscle supplement) can help young adults recover faster after a concussion. The trial starts very soon after injury, within the first 3 days.
San Diego, CaliforniaAges 18–35 - 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 - NCT06105775Recruiting
Nitrate supplement for high blood pressure in pregnancy
This trial tests if a nitrate supplement (similar to beetroot) can help control chronic high blood pressure in early pregnancy. It is for women already taking methyldopa and enrolled before 16 weeks.
Ribeirão Preto, São PauloAges 18 years+ - 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 - NCT06112990RecruitingPhase 3
Creatine and exercise to keep muscles strong in prostate cancer
This trial tests if taking creatine plus doing resistance exercises at home can help men with prostate cancer maintain muscle mass and slow cancer growth. You would take creatine or a placebo for 52 weeks and do simple strength exercises twice a week.
Salt Lake City, UtahAges 18 years+ - NCT06121479Enrolling by invitationPhase 3
Testing oral amino acid supplements for advanced liver disease
This trial tests if taking branched-chain amino acids by mouth can help people with cirrhosis and ascites (fluid in the belly). It aims to improve nutrition and reduce complications.
Bangkok, BangkokAges 18–85 - NCT05366140Recruiting
Implanet Jazz spine fusion for adults needing thoracolumbar stabilization
This trial looks at using the Implanet Jazz system during spine fusion surgery for adults who need stabilization in the middle-to-lower back. It may help patients by improving how well the fused spine heals and stays in place.
Lexington, KentuckyAges 18–100 - NCT05178069RecruitingPhase 2
Probiotic supplement study for alcohol use disorder and liver injury
This Phase 2 trial studies whether a probiotic (LGG) can improve health in people with alcohol use disorder and alcohol-related liver injury. It’s not an alcohol treatment study, so participants are mainly joining to see how the supplement affects the body and liver-related outcomes.
Louisville, KentuckyAges 21–65 - NCT06063486RecruitingPhase 2
Curcumin for inflammation and symptoms in blood disorders
This trial tests whether curcumin, a natural compound found in turmeric, can reduce inflammation and improve symptoms like fatigue in people with certain blood disorders that cause low blood counts or overproduction of blood cells. It is for patients with clonal cytopenia of uncertain significance, low-risk myelodysplastic syndrome, or myeloproliferative neoplasms (polycythemia vera, essential thrombocytosis, or myelofibrosis) who have bothersome symptoms.
Los Angeles, CaliforniaAges 18 years+ - NCT06075134Recruiting
EMG-guided vs. standard Botox for gummy smile treatment
This trial compares two ways of giving Botox for a gummy smile: one using a machine that measures muscle activity (EMG‑guided) and the usual method. The goal is to see which approach works better.
CairoAges 18–50 - NCT06065202RecruitingPhase 2
Personalized nutrition after abdominal trauma
This study tests whether a personalized nutrition plan can help you recover faster after emergency surgery for a penetrating abdominal injury. You may qualify if you are in the intensive care unit and cannot eat normally for at least 3 days.
Durham, North CarolinaAges 15 years+ - NCT05704036RecruitingPhase 4
Estrogen use and bone health in women with cystic fibrosis
This observational study looks at how taking (or not taking) estrogen affects bone health in women with cystic fibrosis (CF). If you may have low estrogen, it also explores whether estrogen levels and symptoms relate to bone density over time.
Baltimore, MarylandAges birth–100 years - NCT04578652RecruitingPhase 3
Test fiber plus metformin for teen weight and insulin resistance
This trial studies whether adding fiber to metformin helps teens with severe obesity and insulin resistance improve how their bodies handle sugar. You might consider it if you’re a teen who isn’t yet diagnosed with type 2 diabetes and meets the specific lab and health criteria.
Edmonton, AlbertaAges 12–18
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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.