That site is half opine and pontification, with a discussion of how to acquire the stuff. If you want to trust that, go ahead.
Basics: Modafinil is a commercial product. Originally for army use, where the long term effects are secondary to the immediate utility. Who's doing the studies? Follow the money. Where does extra energy come from? Not nowhere. Some things don't need medical studies, because humans are not machines and activity out of regular patterns will have side effects.
That site is half opine and pontification, with a discussion of how to acquire the stuff. If you want to trust that, go ahead.
Basics: Modafinil is a commercial product. Originally for army use, where the long term effects are secondary to the immediate utility. Who's doing the studies? Follow the money. Where does extra energy come from? Not nowhere. Some things don't need medical studies, because humans are not machines and activity out of regular patterns will have side effects.
For an authoritative summary of the obvious plus some scarier side effects, see https://www.nlm.nih.gov/medlineplus/druginfo/meds/a602016.ht...