It fills you with a sense of euphoria and you feel like you can do anything, for about an hour. During this time you have advantage on all ability checks and attack rolls. After the hour is up, you must make a DC 5 CON save against addiction, and the DC increases by 5 after every dose. Should you fail this save, after 24 hours, you then have disadvantage on all ability checks, saving throws and attack rolls until your next dose. Once addicted you no longer have to make CON saves after each dose. To remove the addiction you can make a DC 20 CON save after going one month without taking a dose.