Hi I am 19 years old and recently got into bodybuilding. One of the first products i bought was Dermadrol 2, a 4-androstendiol and 19-norandrostendiol stack. I took it for a week, then took a week off then took it again for another week. I have stopped use of the product because after research i saw a lot of negative side effects, especially in men under 21. I tend to be very paranoid when it comes to health issues so i was just wondering if i would have any side effects (im most worried about having permanently lowering my natural testosterone production). Can anyone help me out?