This is a non-drug approach.
Improvement occurs within the first five minutes.
Skills are transferrable. Any text can be instantly read out loud in real human voice fluently as it is displayed on the screen one word or one sentence at a time. Pause time after presentation of the word on the screen and before pronunciation can be adjusted. Pause time after pronunciation of the word and before displaying the next word can also be adjusted. As a result many different learning styles can be perfectly matched.