What is the IQ which the NZT 48 was giving to people in Limitless? In the novel is it clearer?
Assuming Eddie is a good judge, he rates his own IQ in the film as being above 1000. Quite whether he means 1000 or 9999 (or what the functional difference would be between the two) is anyone's guess.
Eddie Morra: For a guy with a four digit IQ, I must have missed something. And I hadn't missed much. I'd come this close to having an impact on the world. And now the only thing I'd have an impact on was the sidewalk.