Drinking this transforms you into your ideal self, as defined by your own wishes and desires.
*Your body changes to whatever physical form you most desire for yourself. This includes physical traits such as strength or agility.
*Your mind and emotions change to whatever mindset/psyche you most desire for yourself. You can opt to forgo these changes.
*Your intelligence is increased or decreased according to your innermost desire.
*You gain supernatural powers that you desire the most. These must be specific abilities, rather than any sort of generic 'do anything' powers.
*Your body and mind can never hereafter be altered against your will, in any way. Among other things, this renders you immortal, nearly invulnerable, and immune to mind control.
*Your powers can never be suppressed, copied, or stolen.