“… 21 , 36 , 42 The accumulation of cholic acid due to insufficient enzyme activity has been implicated in the progression of numerous diseases. 26 , 43 Furthermore, our research, along with others, has demonstrated that probiotic supplementation can enhance the activity of 7α-dehydrogenase, 21 , 43 , 44 thereby mitigating the impact of disease conditions by bolstering bile acid metabolism. In clinical settings, especially in pediatrics, such as children with CCHD, continuous oral probiotic supplementation is often recommended to restore a well-balanced intestinal microbiota.…”