A dispenser for a bottle that is adapted to contain a consumable beverage. The dispenser includes a dispenser body defining a chamber therein. The chamber is adapted to hold a flavoring component. The dispenser body has a first dispenser end, suitable for drinking therefrom, and has a second dispenser end, adapted to be positioned within the bottle when the dispenser is engaged with the bottle. The plunger is slidably disposed at least partially within the dispenser body for movement from a first plunger position to a second plunger position, in which the plunger penetrates a portion of the dispenser body to create a passageway. When the plunger is in the second plunger position and a cap is in a first cap position, the plunger end cooperates with the cap to seal the cap opening.