Originally Posted by Jappa
Massive NO. The added water weight will make you feel sluggish, adding to the fact that you're going to need to drink more water than you already do when you box.
Just drink whey protein with low sugars, low carb and no creatine.
This is if you're on it when fighting. It's possible to take it, gain strength, then come off it and lose the water weight while maintaining the strength gains.
Not that I disagree with it while fighting. If you're light for your division and can't cut to the division below it's useful to get bigger.