You can expect to gain as much as 20 pounds of additional muscle mass within the first few weeks of taking this steroid. (roids.co)
Alternatively you could shorten your rest periods down to 60 — 90 seconds between sets if you wish to gain additional muscle size as well as increase your strength. (whatreallybuildsmuscle.com)
This is because if you don't, you'll end up getting water weight instead of additional muscle mass. (workoutforyou.net)