Nutritional drink preparation capsule with a controlled outlet system, wherein the controlled outlet system comprises: a spike-shaped body that projects outward from the capsule producing a bowl-shaped geometry that projects towards the inside of a lower chamber of the capsule； a flange of the bowl, a perimeter flange of the lower chamber of the capsule； a membrane, wherein the membrane is sealed in a first sealing zone on the perimeter flange of the lower chamber of the capsule, and in a second sealing zone on the flange of the bowl. At the same time, the membrane is provided with notches to facilitate opening when the pressure increases inside the body of the capsule.本發明係關於一種具有一受控制出口系統的營養飲料製備膠囊，其中該受控制出口系統包括：一尖峰狀主體，其自該膠囊向外突出，從而產生突出朝向該膠囊之一下腔室之內部之一斗狀幾何形狀；該斗之一凸緣；該膠囊之該下腔室之一周邊凸緣；一隔膜，其中該隔膜被密封在該膠囊之該下腔室之該周邊凸緣上之一第一密封區中及該斗之該凸緣上之一第二密封區中。同時，該隔膜具備凹口，以在該膠囊之該主體內部之壓力增加時促進敞開。
