Don't overthink it, but not even I can figure it out...

10.

She didn't say hours she said energy

I 0 hours of energy.That's the amount:
Enough to last 10 hours.(it sorta works)

I have no idea, this riddle confused me so badly...

Energy for five hours but it’s double the effect

Actually, drinking too many energy drinks is dangerous.

And they taste like someone peed on sweet tarts

enough energy for someone to be hyper active

Infinite energy!
JK...
I don't know actually...

Neither do I.

Let's just say it's a lot.

10 hours worth of energy

F

If you drink them at the same time, then 5 hours if you drink one about an hour or so after your first, 6-10 hours

😅 I like brain teasers

a lot