A two piece sealed capsule that is inserted through the wall of a liquid, gel, syrup or powder bearing container said capsule being a receptacle for sealably containing a liquid and/or dry material and a dispenser for releasing the material when desired into the container. The top of the capsule is depressed manually forcing a plunger tube connected to the bottom of the capsule to rip away the bottom and side portion dispensing the material. The present invention allows the use of materials that would discolor, degrade or interact with other substances when added to the contents of the container, to remain stable and/or inactive until the time of use.