What if you drink energy drinks every day?

Dilan Jay's answer:

I think if you drink energy drinks every day, you'll typically be okay...

... Like I said, as long as you are drinking less than 250 milligrams of caffeine a day.

However, just in general, caffeine does exhaust your adrenals and your overall natural energy. 

So I wouldn't say that it's the best thing to have [energy drinks] all the time.