Cap and nutritional supplement container using the same

A cap to be mounted to a mouth part of a main container unit of a nutritional supplement container in order to deliver a liquid substance filled in the main container unit,

• the main container unit comprises a thin film that is attached to the mouth part so as to seal the interior of the main container unit,
• the cap comprises:
• a base part comprising a top panel part to block an opening of the mouth part and a side wall part to surround an outer peripheral surface of the mouth part at the time of mounting the cap to the mouth part;
• a connection part that comprises a tubular part protruding from an outer main surface of the top plate part and to which a connector can be connected;
• and
• a hollow nozzle that protrudes from an inner main surface of the top plate part and that has a through hole in communication with a through hole of the tubular part,
• the cap is allowed to take a first mounted state and a second mounted state with respect to the mouth part,
• in the first mounted state, the mounted state of the cap with respect to the mouth part is held in a state where an end surface of the hollow nozzle is located not in contact with the thin film or in contact with the thin film but not pressing the thin film, and
• in the second mounted state, the mounted state of the cap with respect to the mouth part is held in a state where the thin film is broken by the hollow nozzle and the hollow nozzle is located inside the mouth part.