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
- NCT07277738Recruiting
MRI for women with dense breast tissue
This study is testing whether adding an MRI to a normal mammogram can find more cancers in women with dense breasts. If you participate, you may benefit from extra monitoring and peace of mind.
St Louis, MissouriAges 25–55 - NCT07271043Recruiting
High-protein drink for weight loss in type 2 diabetes
This study tests if a high-protein diabetes shake can help people with type 2 diabetes who are starting a new class of diabetes medications (GLP-1 or GIP receptor agonists) lose weight and improve body composition. Participants will either take the shake or a placebo drink for several weeks.
Boston, MassachusettsAges 18–75 - NCT06847373Recruiting
Vitamin D for teens with obesity
This study is testing whether vitamin D supplements can help teens with obesity. It is open to participants aged 10 to 18 who live in Mexico City and have obesity based on their BMI.
MéxicoAges 10–18 - NCT07268846Recruiting
Prebiotic supplement before colorectal cancer surgery
This trial tests if taking a postbiotic supplement before surgery for colorectal cancer can improve recovery. It may help patients with adenocarcinoma of the large intestine prepare for their operation.
São Paulo, São PauloAges 18 years+ - NCT07262528Recruiting
Brain training for hand recovery after stroke
This trial tests a brain-based training method (neurofeedback) to help improve hand movement after a stroke. It is for people who had a stroke in the last 3 months and still have weakness on one side.
RzeszówAges 18–70 - NCT06260072RecruitingPhase 2
Magnesium and Riboflavin for Post-Concussion Headaches
This trial tests if taking magnesium and riboflavin (vitamin B2) can help reduce headaches after a concussion. It is for University of Virginia students who have had a concussion within the past 3 days and can swallow pills.
Charlottesville, VirginiaAges 18–40 - NCT05379712RecruitingPhase 2
Nutrition supplements during radiation for head and neck cancer
This trial studies whether a nutritional supplement helps people with head and neck squamous cell cancer when they are receiving radiation (with or without chemotherapy). You must be able to eat by mouth and have specific cancer types and recent CT imaging.
Edmonton, AlbertaAges 18 years+ - NCT05398367Recruiting
Supplement study to help low milk supply during breastfeeding
This study tests whether a supplement (either an active “galactagogue” or a placebo) can increase milk supply in people who feel they have low breast milk. You would have several check-ins and milk/milk-expression measurements to see if your milk volume changes.
Rock Hill, South CarolinaAges 18–40 - NCT06467825Recruiting
Sex differences in standing up after moon landing
This NASA trial tests how men and women differ in standing up after landing on the moon. Volunteers receive a water pill (furosemide) to see how their blood pressure and heart respond during simulated lunar descent and ascent.
Houston, TexasAges 25–55 - NCT07242859Recruiting
Rice bran for mouth sores from radiation in head and neck cancer
This trial tests whether a rice bran supplement can help prevent or reduce mouth sores caused by radiation therapy for head and neck cancer. If you're getting radiation with or without chemo, this simple addition might ease side effects.
CairoAges 18 years+ - NCT07241182Recruiting
Mushroom extract supplement for lung cancer chemo patients
This study tests whether a supplement from a medicinal mushroom (Antrodia cinnamomea, also known as niu zhang zhi) can improve quality of life for people with lung cancer who are receiving platinum-based chemotherapy.
TaipeiAges 18–99 - NCT07245979Recruiting
Sirtuin activator supplement for overweight women
This study tests whether a supplement that activates sirtuins (proteins that may help with metabolism) can help women who are overweight or have obesity. It looks at changes in body weight and related health markers.
PoznanAges 40–65 - NCT07238478Recruiting
Supplement for menopause quality of life in postmenopausal women
This trial tests a dietary supplement to see if it can improve menopause-related symptoms, like hot flashes and joint discomfort, in healthy postmenopausal women.
Harrison, New YorkAges 50–70 - NCT07231783Recruiting
Urolithin A supplement for muscle strength in adults 40–65
This trial tests whether a daily supplement called Urolithin A (Mitopure®) can improve muscle strength in healthy middle-aged adults who are not very active. Researchers will measure changes in strength and fitness over several weeks.
CorkAges 40–65 - NCT07236463RecruitingPhase 1/Phase 2
Iron chelator in dialysis fluid for sepsis-related kidney injury
This trial tests if adding an iron chelator (MEX-CD1) to the dialysis fluid can help remove harmful iron from the blood in patients with sepsis-related acute kidney injury who need continuous dialysis. It may reduce damage to the kidneys and other organs.
Nîmes, GardAges 18 years+ - NCT07233148Recruiting
ALS, MND, or PLS registry study
This observational study creates a registry for people with ALS, MND, or PLS. It helps researchers better understand these conditions and find possible treatments.
Park City, UtahAges 18–110 - NCT07239466RecruitingPhase 2
Ketone supplement with radiation and chemo for rectal cancer
This study tests a combination of a special diet supplement (beta-hydroxybutyrate), short radiation therapy, immunotherapy, and chemotherapy before surgery for locally advanced rectal cancer. The goal is to see if this approach helps shrink the tumor and improve treatment outcomes.
Wuhan, HubeiAges 18–75 - NCT07236788Recruiting
Iron infusion to prevent anemia and improve life in obese patients
This trial tests whether giving an intravenous iron supplement (ferric derisomaltose) can help prevent anemia and improve quality of life in obese patients who have low iron stores. It aims to see if this treatment can boost energy and reduce fatigue.
BeijingAges 18–65 - 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 - NCT07233889Recruiting
Phosphate supplementation for low phosphate in ICU patients
This trial tests whether adding phosphate granules to feeding tubes can help raise low phosphate levels in ICU patients who are already receiving nutrition through a feeding tube.
Wuhan, HubeiAges 18–80 - NCT07222306Enrolling by invitation
Cannabis, brain inflammation, and suicidal thoughts brain imaging study
This study uses brain scans to see how cannabis affects inflammation and suicidal thoughts. You may join if you're already in a related study and can safely undergo MRI and PET scans.
Detroit, MichiganAges 19–69 - NCT07227363Recruiting
Keto diet for PCOS symptoms pilot study
This study tests if a keto diet can improve symptoms of PCOS. You'll follow your normal routine while researchers monitor changes.
Columbus, OhioAges 18–40 - 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 - NCT07220694Recruiting
Sabroxy supplement for memory and insulin resistance
This study tests whether a supplement called Sabroxy can improve insulin resistance and memory in adults with mild cognitive impairment and insulin resistance. It may help if you have early memory problems and your blood sugar is slightly higher than normal.
San Francisco, CaliforniaAges 40–80
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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.