What does it taste like? Cooling peppermint, refreshing spearmint, and sweet fennel were combined to create a soothing blend especially nice after a meal the addition of probiotics does not add any taste. Bring goodness to your cup. Probiotics bc30 (bacillus coagulans gbi-30,6086) has been chosen for its suitability for use in boiling water and its ability to withstand the trip through your digestive system to activate in your body.