About 6 months ago I was able to try one of these
And it was so awesome I should have only taken half. It’s not cheap, though. Even online it runs 180 bucks, for 30 100mg tabs.
A friend clued me on this:
Which is sold for around 40-50 bucks for 40 300mg tabs. It’s not as strong, about what half the Modafinil stuff would be. Now you know.