Crazy Mass has 100 % legal steroids which have been clearly detailed out on the product as well as its official site. It needs to follow religiously to obtain effective as well as quick results. It has no side effects. If take dosages in a prescribed way then it will do wonder but its excessive intake will cause certain effects on the body such as sleeping disorders or impotency. To achieving best results, it is recommended to practice regular exercise as well as take good food.