Are you someone who trains regularly? Do you expect to perform optimally each and every time you walk into the gym? You probably slammed your pre-workout, are jacked up on caffeine, but then you still wonder why your workouts suck. It could be due to your lack of focus on hydration levels. Whaaaat? It’s true. Something as simple as hydration could be causing you to fall short in your workouts. Advanced rehydrating is something everyone who trains should pay close attention to, and it should involve glycerol.