Myth: “More CFU = Better Probiotic”
By Dr. Rachel Kim, DVM · Reviewed by the truecanineprobiotics.com Editorial Team · Updated July 2026 Disclosure: This article may contain affiliate links. If you purchase through these links, we may earn a small commission at no additional cost to you. This helps support our independent research and testing. 50 BILLION CFU. 100 BILLION CFU….