Basically the same thing.

[ He thinks he saw some of the stalls have to grind it, so its base form was like any other ingredient or material. Someone probably found out what effect it had and it just rolled down the slope from there. ]

And nah, it's not a great idea. Since the effects are so immediate and noticeable, it's probably reasonably strong. Any kind of stimulant like that should be used with caution.