Clinical trials
Supplementation clinical trials
Below are recruiting supplementation clinical trials, each written for real people, not researchers. We’re tracking 672 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06837298Recruiting
Fava bean extract supplement for muscle recovery
This trial tests whether a supplement made from fava bean protein can help your muscles recover strength after exercise. You would take the supplement for about 2 weeks and have your muscle function tested before and after.
Bradenton, FloridaAges 18–45 - NCT06841458Recruiting
Dietary supplement for hair growth in men with mild to moderate baldness
This study tests whether a dietary supplement helps hair growth in men with mild to moderate male pattern baldness. It lasts 6 months, and you will not know if you are getting the real supplement or a placebo.
Valencia, ValenciaAges 18–45 - NCT06172764RecruitingPhase 4
Vitamin D for early cavities: a saliva study
This study tests whether vitamin D supplements can help improve the health of your mouth by looking at changes in saliva and the bacteria that cause cavities. If you have early cavities and low vitamin D, you may be able to join.
Karachi, SindhAges 12–50 - NCT04428658Recruiting
Telehealth coaching for kids to improve blood sugar control
This trial tests whether extra diabetes coaching delivered through online video and online messages can lower blood sugar levels in children with type 1 diabetes. It may help your child improve diabetes control by combining real-time and non-real-time support.
Sacramento, CaliforniaAges 5–18 - NCT07251244Recruiting
Supplement and exercise for immune health in older adults
This trial tests whether a combination of a supplement and moderate exercise can help keep your immune system strong and healthy as you age. It is for older adults who are independent and generally healthy.
Valencia, ValenciaAges 65 years+ - NCT07252778RecruitingPhase 2/Phase 3
Probiotics for endurance athletes
This trial tests if taking a probiotic supplement for a short time can help athletes who do endurance sports like rowing. If you are a healthy athlete on a national team, this study might help you understand how probiotics affect performance.
Poznan, WielkopolskaAges 16–50 - NCT07251296Recruiting
Exercise and supplement study for menopausal women
This study tests whether a program of functional exercise combined with a nutritional supplement can help improve symptoms like hot flashes, sleep, and mood in women going through menopause. It may be a good fit if you are between 45 and 65, have moderate menopause symptoms, are not very active, and are not using hormone therapy or certain medications.
Valencia, ValenciaAges 45–65 - NCT07241221Recruiting
Myo-inositol supplement for diabetes in pregnancy
This study tests whether taking a supplement called myo-inositol (a natural vitamin-like substance) during pregnancy can help manage blood sugar in women with type 2 diabetes. It may improve outcomes for you and your baby.
Singapore, SingaporeAges 21–45 - NCT07216755Recruiting
Breathing training and nitrate for altitude exercise
This study tests whether breathing training and a natural nitrate supplement (from beets) can improve how well you exercise in conditions that simulate high altitude. You'll do cycling workouts while we measure your performance.
Daytona Beach, FloridaAges 18–40 - NCT07213063Recruiting
Creatine and HMB supplements for Down syndrome
This trial tests whether taking creatine and HMB supplements can improve muscle strength, reduce inflammation, and increase muscle mass in people with Down syndrome. It may help if you or your loved one can do basic physical tests like standing from a chair and do not have kidney disease or severe mobility issues.
Burgos, BurgosAges 18 years+ - NCT07203144RecruitingPhase 2
Selenium for depression in teens
This study tests whether taking selenium (a mineral found in some foods) can help improve depression symptoms in young people. Participants will take selenium supplements and have their mood and brain activity monitored over time.
Chongqing, Chongqing MunicipalityAges 12–18 - NCT07172425Recruiting
Testing nitrate-enriched foods for blood vessel health
This study tests whether adding nitrate (a natural compound found in leafy greens and beets) to foods can boost the body’s levels of nitric oxide, which helps blood vessels relax and improve blood flow. If you’re a healthy adult, you may be able to join to help researchers learn how diet affects your blood vessels.
LondonAges 18–60 - NCT07148908Recruiting
Protein from animals vs. microbes: how your body uses it
This study compares how well your body uses protein from animal and microbial sources. It may help us understand which protein types are best for active, healthy adults.
Toronto, OntarioAges 18–45 - NCT07131384Recruiting
Nitrate supplement and metformin for prediabetes
This trial tests whether adding a nitrate supplement to metformin helps people with prediabetes. It looks at how the two treatments interact, especially when you start exercising. The study might help you if you have prediabetes, are between 18 and 60 years old, and don't exercise much.
Charlottesville, VirginiaAges 18–60 - NCT07085455Recruiting
Timing of IV nutrition in critically ill patients
This trial tests whether giving IV nutrition (supplemental parenteral nutrition) at different times helps critically ill patients who are not getting enough calories from tube feeding alone. It may improve recovery for people with organ failure in the ICU.
Changchun, JilinAges 18 years+ - NCT07057245Recruiting
Protein supplement and brain function in older adults
This study tests whether taking a daily protein supplement can improve how your brain works. It is for healthy older adults (ages 60–75) who are overweight but do not have diabetes or take certain medications.
Maastricht, LimburgAges 60–75 - NCT07041489Recruiting
Supplement and serum for hair growth in women with thinning hair
This trial tests whether a combination of a dietary supplement and a topical serum can help women with thinning hair grow thicker, fuller hair. It's designed for women who have noticed mild to moderate hair thinning and want a non-invasive approach.
Birmingham, AlabamaAges 28–65 - NCT07029243Recruiting
Prehabilitation and supplement for frail cirrhosis patients
This study tests whether a prehabilitation program (exercise and nutrition planning) along with a supplement containing creatine and whey protein can help improve strength and well-being in people with cirrhosis who are frail. The goal is to see if this combination can help you feel stronger and more active.
San Francisco, CaliforniaAges 18 years+ - NCT07000500Enrolling by invitation
Nutritional supplement for memory decline in older adults
This trial tests whether a nutritional supplement can help slow or improve memory loss in older adults who have mild cognitive decline (noticeable changes in thinking skills that are not yet dementia). You will take a daily supplement and attend regular check-ups.
Vila Nova de Famalicão, Braga DistrictAges 65 years+ - NCT06989203Recruiting
Protein supplement study for body weight
This trial tests how protein supplements affect body weight in people who are either normal weight or overweight. The goal is to see if adding protein helps with weight management.
Hangzhou, ZhejiangAges 20–50 - NCT06953232Recruiting
Protein drink for heart and brain in midlife women
This study tests a special protein drink (whey with milk fat globule membrane) to see if it helps your heart and brain after a high-fat breakfast. It might help you if you are a postmenopausal woman at moderate risk for heart disease.
Loughborough, LeicestershireAges 50–75 - NCT06916208Recruiting
Capsinoid supplement study for obese teens
This study tests whether a supplement called capsinoid can help activate brown fat in teenagers with obesity. Brown fat is a type of body fat that burns calories, so this could be a new way to help with weight management.
Palavas-les-FlotsAges 11–18 - NCT06852014Recruiting
Nutritional supplement study for malnourished pancreatic cancer patients
This trial tests whether a special drink called Peptamen 1.6 can help improve nutrition and recovery in patients who are malnourished or at risk and have had surgery for pancreatic cancer. It aims to understand how the supplement affects the body right after surgery.
Málaga, MálagaAges 18 years+ - NCT06773000Recruiting
Nutritional supplement study for hip fracture recovery in older adults
This trial tests whether a nutritional supplement can help older adults recover better after hip fracture surgery. It may improve strength and healing during the recovery period.
New York, New YorkAges 65 years+
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Common questions
- Are there clinical trials for supplementation?
- Yes. Clin2 currently lists 672 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.