Probiotic study for gut and immune health
This trial tests whether taking a daily probiotic can improve your gut and immune health. You would take a probiotic or placebo pill every day and provide blood, urine, and stool samples at two visits.
Summary written for real people, not researchers, by Clin2.
Who can take part
- Attend 3 follow-up visits and give blood, urine, and stool samples twice
- Take a probiotic or placebo pill once a day
- Have good eyesight (glasses are okay) and hearing
- No serious digestive diseases like celiac, ulcerative colitis, or Crohn's
- No recent serious neurological issues or mental health conditions requiring treatment
- No recent chemotherapy, radiation, or general anesthesia in the past 3 years
Quick eligibility check
Answer a few plain-language questions, based on this study's own requirements, to get a preliminary sense of fit.
Similar studies
Other trials that look related to this one.
This trial tests whether taking a daily probiotic capsule for a period of time can benefit healthy adults. It is designed for people who are generally well, have a stable weight, and are willing to follow a simple daily routine and attend two in-person visits.
This study looks at how gut bacteria may influence brain function and behavior, through a chemical called GABA. It may help researchers understand brain–gut links, though it is not yet a treatment trial.
This study tests if a daily probiotic can improve your digestion and immune system. You will take the probiotic and come in for three visits to provide blood, urine, and stool samples.
This study tests if daily probiotics can improve your gut health and immune function. You will take one of seven different probiotics or a placebo for a period and attend three follow-up visits.
This study tests whether a probiotic supplement can help keep your intestines healthy. You will take the probiotic daily for a while and visit the clinic 3 times to give samples and check how you are doing.
This study tests a probiotic (a type of good bacteria) called Bacillus subtilis to see how it affects digestion and the immune system in healthy adults. It involves taking the product, giving stool samples, and visiting the clinic for checkups.
Hear when a new Healthy trial opens
We’ll email you when one opens — at most once a week, no account needed, unsubscribe anytime.