Consumption of multi-fiber enriched yogurt is associated with increase of Bifidobacterium animalis and butyrate producing bacteria in human fecal microbiota

•Added fibers increase the abundance of B. animalis and C. mitsuokai.•B. animalis correlates negatively with Escherichia.•Consumptions of probiotic and synbiotic yogurt improves blood lipid profile.•Both yogurts also increased the prevalence of butyrate-producers.