Probiotic: A breakthrough in probiotic supplementation

Resists Destruction: Survives the acidic environment of the stomach to promote a healthy gut flora*

Easy Handling: No refrigeration or special handling required Third-Party Certified: This product has been third-party tested and certified to verify what's in the package matches what's on the label and to confirm it contains no unsafe levels of contaminants Trusted: Thorne is trusted by 100+ professional sports teams and the #1 most recommended clinical brand by consumers and health-care practitioners (Based on a 2026 independent survey of US supplement consumers and health-care practitioners)