A human origin probiotic cocktail ameliorates age-related leaky gut and inflammation via modulating microbiota-taurine-tight junction axis.A human origin probiotic cocktail ameliorates age-related leaky gut and inflammation via modulating microbiota-taurine-tight junction axis.A human origin probiotic cocktail ameliorates age-related leaky gut and inflammation via modulating microbiota-taurine-tight junction axis.A human origin probiotic cocktail ameliorates age-related leaky gut and inflammation via modulating microbiota-taurine-tight junction axis.