 or you can buy at the retail level. Dr. O'Hara's probiotics are available at natural grocers, sprouts, vitamin shop, Whole Foods, and other natural retailers across the U.S. Again, please make sure to check them out at EssentialFormulas.com to find a retailer near you because they are all across the United States. In addition, please follow them on social at Dr. O'Hara's Probiotics.