A yeast that mitigates occasional diarrhea and supports the growth of beneficial gut flora*Sacro-B (Saccharomyces boulardii) is a yeast species that enhances immune function in the gut by increasing sIgA and is effective for antibiotic-associated diarrhea.*In clinical studies, Saccharomyces boulardii has demonstrated its ability to increase the production of secretory IgA, the first-line defense immunoglobin of the gastrointestinal tract.* In addition to enhancing immune function in the gut, this yeast species also supports the growth of beneficial intestinal flora, and it can also be helpful for mitigating occasional diarrhea.* With a minimum of 5 billion CFUs per capsule, Thorne's Sacro-B provides substantial support to the health of the gastrointestinal tract.*Thorne's logo, text, trademarks, graphics, videos and photo images are the property of Thorne and are used with permission. Copyright © 2023*FDA Disclaimer: The information about this product and statements made are provided by the manufacturer, except customer reviews which are not evaluated. See www.thorne.com for information about the relationship between this product and any claims made. Results may vary from person to person based on body size and other factors, and the effectiveness is not guaranteed for you. Always seek the advice of your healthcare professional about taking dietary, nutritional, herbal or homeopathic supplements.