Now the positive - effect is crass. Mega Pump and total concentration. However, the dosage must be timed exactly with the food (4h after food) otherwise you realize nothing. When dosing himself judgment is really in demand. I only found my weight for the optimum by trial and error - too much and it can really blow your mind - too little, you realize nothing. But if you have then taken the right amount (in my workouts lasted 3) skin that stuff super clean.