Best natural pre-workout for insane energy and pumps in the gym!

Pre-workout supplemets are the craze these days. But few realize that they do more harm than good.
Most are loaded with caffeine and stimulants from one source or other at very high doses.
Long term this is not good for the heart, and by any chance if you have an undiagnosed heart condition this kinda stimulant intake can suddenly make it worse.

So what's the best natural alternative?
In my experience its none other than Watermelon!
Have 2 slices 1 hour before your workout and feel the natural difference!