A system and method for preparing a predetermined quantity of beverage suitable for consumption using an extractable product is disclosed. The system comprises at least one disposable capsule; an apparatus comprising a fluid dispensing device for supplying an amount of fluid, such as water, to the at least one disposable capsule, a receptacle for accommodating the at least one disposable capsule, and an outlet arrangement for supplying the beverage to a container, such as a cup. The at least one disposable capsule comprises a chamber for enclosing an inner space comprising the extractable product. The capsule further comprises a displaceable body conceived to interact with an entrance area and an exit area of the capsule for discontinuing the entrance area and the exit area thereby enabling the chamber to pass fluidum there through.