Clinical trials
Synbiotics clinical trials
Below are recruiting synbiotics clinical trials, each written for real people, not researchers. We’re tracking 27 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07465497Enrolling by invitation
Preventing Chemo Brain with Prebiotics and Synbiotics
This trial tests whether taking a special blend of prebiotics and synbiotics (friendly bacteria and food for them) can help prevent or reduce memory and thinking problems that sometimes happen during chemotherapy for breast cancer.
Zapopan, JaliscoAges 18 years+ - NCT05966649Recruiting
Synbiotics for preventing preterm birth in higher-risk pregnancies
This trial tests whether taking synbiotics (a mix of “good” probiotics and “food” for them) can help lower the chance of going into labor too early. It’s for pregnant people with certain risk factors for preterm birth, and it compares outcomes while you follow the study plan.
Edegem, AntwerpenAges 18 years+ - NCT07818369Recruiting
Gut bacteria and fiber supplement for mild memory problems
This study tests whether a daily supplement containing special bacteria and fiber from agave (a type of prebiotic) can improve memory and thinking in older adults with mild cognitive impairment. It looks at the connection between the gut and the brain.
Mexico City, Mexico CityAges 60–75 - NCT07806383Enrolling by invitation
Effects of a sugar-based supplement on heart and gut health in overweight adults
This study tests a sugar-based supplement (a synbiotic) to see if it improves heart and metabolic health markers as well as gut health in people who are overweight but otherwise healthy. You will take the supplement for a period of time, and your health will be monitored.
NaplesAges 20–70 - NCT07575529Recruiting
Senior Milk Powder and Gut Health in Healthy Aging
This study tests whether a special milk powder containing beneficial bacteria and fiber (called synbiotics) can improve gut health in adults aged 40–65. You'll use a smartphone app and Apple Watch to track your health and provide samples over several weeks.
SingaporeAges 40–65 - NCT07453823Recruiting
Synbiotic for gut health in overweight adults
This trial tests a combination supplement (a synbiotic) to see if it can improve gut function and gut bacteria in middle-aged and older adults who are overweight and have constipation. If eligible, you take the supplement daily and report how your digestion feels.
Cork, BlackpoolAges 50–70 - NCT07461233Recruiting
Gut Health and Synbiotics in Hemodialysis
This study tests whether taking a special mix of friendly bacteria and prebiotics (called synbiotics) can help improve gut health in people on hemodialysis. It may reduce inflammation and other complications related to kidney disease.
Taichung, Wuqi DistrictAges 18 years+ - NCT07443280Recruiting
Gut health supplement study for dialysis patients
This trial tests whether a special blend of probiotics and prebiotics (called a synbiotic) can improve gut health and reduce harmful waste products in the blood for people on hemodialysis.
Taichung, Wuqi DistrictAges 18 years+ - NCT07235228Recruiting
Synbiotic supplement for irritable bowel syndrome
This trial tests whether a synbiotic (a mix of probiotics and prebiotics) called Vivatlac can improve gut health in people with moderate to severe irritable bowel syndrome (IBS). If you have IBS and are not already taking probiotics or antibiotics, you may be able to join.
JarocinAges 18–65 - NCT06901739Recruiting
Synbiotic for mental health in obesity
This trial tests if a synbiotic (a mix of probiotics and prebiotics) can improve mental health in people with obesity. It may help if you have obesity and also struggle with anxiety or depression.
Valencia, ValenciaAges 18–65 - NCT04226898RecruitingPhase 2
Synbiotic supplement to lessen schizophrenia symptoms
This Phase 2 trial tests whether a “synbiotic” supplement (a mix of probiotics and prebiotics) can reduce symptoms of schizophrenia or schizoaffective disorder. It may help by targeting gut-related immune and inflammation pathways that could affect brain symptoms.
Batlimore, MarylandAges 18–65 - NCT07810517Recruiting
Probiotic and fiber supplement for memory in obesity
This study tests a daily supplement (a probiotic called Lactobacillus acidophilus plus a fiber called inulin) to see if it might help improve memory and thinking in adults with long-term obesity and mild cognitive impairment. If you qualify, you would take the supplement or a placebo for a period of time while the study team monitors your cognitive function.
Huixquilucan, State of MexicoAges 30–40 - NCT06576986Recruiting
Can a supplement prevent mouth sores during chemo?
This trial tests whether a special supplement (synbiotic) can prevent mouth sores caused by chemotherapy in people with colorectal cancer. It's for those starting treatment who live in or near Belo Horizonte, Brazil.
Belo Horizonte, Minas GeraisAges 18 years+ - NCT07694791Recruiting
Gut health supplements for people on peritoneal dialysis
This trial tests whether taking probiotic and prebiotic supplements can improve gut health in people receiving peritoneal dialysis at home. It may help with digestion and overall well-being.
Monterrey, Nuevo LeónAges 18 years+ - NCT06585982Recruiting
Synbiotics for MAFLD: gut health and liver fat study
This trial tests whether taking a synbiotic (a mix of helpful bacteria and fiber) can improve insulin levels and reduce inflammation in people with Metabolic Dysfunction-Associated Fatty Liver Disease (MAFLD). It may help by changing the balance of bacteria in your gut.
Semarang, SemarangAges 25–55 - NCT07605728RecruitingPhase 2
Probiotics to ease stomach problems from breast cancer treatment
This trial tests whether a special probiotic supplement (good bacteria) can reduce belly discomfort caused by abemaciclib, a hormone therapy drug for early breast cancer. You would take the supplement alongside your cancer treatment to see if it helps with stomach side effects.
TaipeiAges 18 years+ - NCT07407894Recruiting
Probiotic study for healthy aging in midlife adults
This trial tests a probiotic supplement called iVS-1 to see if it can slow biological aging in healthy adults aged 40-75. Researchers want to learn if this probiotic may help support health as you age.
New Port Richey, FloridaAges 40–75 - NCT07355634Recruiting
Terraflora daily care for gut health
This trial tests if a daily probiotic supplement, Terraflora, can improve gut health in people with an imbalance of gut bacteria (dysbiosis). You may join if you're an adult with a stool test showing dysbiosis and are not taking certain other medications or supplements.
Richmond, VirginiaAges 25 years+ - NCT07342621Recruiting
Testing a special formula for babies with cow's milk allergy
This study tests whether a special formula with added prebiotics, probiotics, and a human milk nutrient helps manage symptoms in infants with cow's milk protein allergy. If your baby is starting a hypoallergenic formula for the first time, this trial may be an option.
Valencia, ValenciaAges Up to 10 months - NCT07235215Recruiting
Testing Vivatlac for Irritable Bowel Syndrome
This study tests a product called Vivatlac to see if it can help people with Irritable Bowel Syndrome (IBS). If you have moderate-to-severe IBS and haven't taken probiotics or antibiotics recently, you may be able to join.
JarocinAges 18–65 - NCT05576818RecruitingPhase 3
Synbiotic add-on for people with Parkinson’s disease
This trial tests whether adding a synbiotic (a mix of probiotics and prebiotics) along with standard Parkinson’s medicines can improve symptoms or health outcomes. It’s mainly for adults with Parkinson’s disease at earlier to mid-stages who take dopamine replacement therapy.
Tanta, El GharbiaAges 45–65 - NCT06974994Recruiting
Antibiotic Use in Newborns and Gut Bacteria Health Study
This study explores how antibiotics given during delivery affect a baby's gut bacteria and long-term health. If you are pregnant or just gave birth and received antibiotics during labor, you and your newborn may be able to join.
Turku, Valitse Maakunta.Ages 2 hours+ - NCT06948929Recruiting
Gut health supplement trial for Alzheimer's patients in Hong Kong
This trial tests whether a daily supplement of friendly bacteria and prebiotics (called a synbiotic) can help people with Alzheimer's. It looks at how the supplement affects thinking, behavior, and daily life over time.
ShatinAges 60–90 - NCT06943469Recruiting
Study of special formula for babies with allergy risk
This study tests a special baby formula (partially broken-down protein with added prebiotics and probiotics) to see if it helps strengthen babies' skin barrier and reduce allergy risk. It's designed for newborns who have a family history of allergies.
BrugesAges 1 day–2 weeks
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Common questions
- Are there clinical trials for synbiotics?
- Yes. Clin2 currently lists 27 recruiting synbiotics 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 synbiotics 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 synbiotics 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.