“…2 There has been a surge in awareness of the association between gut microbiota and PD. [3][4][5][6] As evidence is accumulating on the effects of gut microbiota on disease development and progression, another course of action has been recognized in relation to the potential usage of microbiota-based therapeutic strategies in PD. Consequently, microbiota-targeted interventions, including the administration of probiotics, have increasingly been evaluated.…”