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Evidence-Based Supplement Research
Evidence-Based Supplement Research

Bacillus coagulans

Safety profile

6 studies reporting safety data

Across 6 clinical studies, no specific adverse events were quantitatively associated with Bacillus coagulans supplementation. One study reported no significant difference in diarrhea-related outcomes between groups, while 5 studies described the probiotic as generally well tolerated, with no serious adverse events or statistically significant safety concerns noted. No studies reported an increased risk of any adverse event compared to control.

Caveats: Most studies were likely short-term and not primarily designed to assess safety, so rare adverse events may not be detected. The evidence base is limited to 6 studies, and absence of reported events does not establish comprehensive safety across all populations or long-term use.

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