I understand that there are side effects just don't wan't to loose my hair or not be able to have kids.I am new to this.I play football. I am 6'0 218, bench 440 and 225 28 times. My 40 is a 4.7-4.8. I truly would like to get faster and stronger.I need something I can run on.I will be tested in august. Any help I appreciate. Thanks.