Aspects and embodiments injection of supplements into drinks are described. In one embodiment, a cap includes a top of the cap having a button. A container is sealed using a sealing layer between the container and the top. A pushing element is in connection with a bottom surface of the button and further in connection with a top surface of the sealing layer. A breaking mechanism is sealed within the container along with a supplement. The breaking mechanism has breaking bars that extend from a central column that is aligned with the pushing element. When the button is depressed, the breaking mechanism breaks a bottom of the container to release at least some of the supplement.