Alvin1, I'm around 185lbs and found the following to be very effective for me.6:30 - 1 Mass FX MS, 1 HX212:30 - 2 Mass FX MS 30 minutes preworkout5:30 - 1 Mass FX MS10:30 - 1 Mass FX MS, 2 HX2 (1 hour before bed)Hope that helps!I have yet to try that protocol with the NEW Mass Destroyer, but may give it a try this winter.