Survival of the Probiotic Lacticaseibacillus Paracasei Strain Shirota (LcS) in the GI Tract of Healthy Adults

The objective of this study is to investigate the survival of Lacticaseibacillus paracasei strain Shirota (LcS) in the human gastrointestinal (GI) tract after consumption of probiotics fermented milk product containing 8x10\^9 LcS. This study is a single-arm, open-label study with a 14-d run-in (baseline), 14-d consumption period, and 14-d follow-up. Participants will maintain habitual dietary and lifestyle practices with the exception of avoiding fermented foods and beverages throughout the 42-d trial. The number of live LcS in fecal samples will be assessed after 14 d consumption of a fermented milk product.