Probiotic study for gut and immune health in healthy adults
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.
Summary written for real people, not researchers, by Clin2.
Who can take part
- You are between 18 and 50 years old.
- You are in good general health (no major illnesses).
- You are not pregnant, breastfeeding, or planning to become pregnant.
- You are willing to give stool samples and take the study product.
- You do not smoke, drink heavily, or take antibiotics or immune-suppressing medications.
- You have not participated in another clinical trial in the last 3 months.
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 a probiotic supplement containing Bacillus coagulans to see if it improves gut health and immune function in healthy adults. If you are generally healthy and not taking certain medications or supplements, you may be able to join.
This trial tests two probiotics, BLa80 and LRa05, to see how they affect the gut's natural bacteria and related substances. It may help understand how these probiotics support overall health.
This trial tests a daily probiotic supplement's effect on digestion, immune health, and overall well-being. If you're a healthy adult, you may help discover if this product can make you feel better day-to-day.
This study tests whether taking a daily probiotic supplement can improve your digestion and immune system. You will be randomly assigned to one of seven different probiotic strains or a placebo (a dummy pill), and you will need to visit the clinic three times over the study period.
This study tests whether taking a daily probiotic supplement (a type of friendly bacteria) can improve your gut and immune system health. You will take the supplement or a placebo (a pill with no active ingredients) for a period of time and attend a few check-ups.
This study looks at how probiotics (helpful bacteria) affect digestive health. You will take a probiotic supplement and provide blood, urine, and stool samples to see how your body responds.
Hear when a new Healthy Participants Study trial opens
We’ll email you when one opens — at most once a week, no account needed, unsubscribe anytime.