The purpose of this study is to evaluate how probiotic supplementation impacts your stress levels. This research may help us better understand factors that support adaptive stress responding.

You may be eligible for this study if you are:

• Age 18 to 45.
• Willing to take a probiotic supplement for about two months.
• Not immunosuppressed.

Participation includes:

• One 30-minute in-person visit, where you will receive the probiotic/placebo and complete questionnaires.
• About 2 months of supplementation.
• Completion of periodic brief questionnaires sent via text.

970-921-9321 IRB Protocol #: 22-0234