Originally Posted by nilesh2354 Originally Posted by The Bear 79 OP at your age you will be better of stopping everything. Your Endocrine & HPTA systems are not full developed yet & the potential of doing permanent damage to these undeveloped systems is pretty substantial. You should wait until you're 25. Agree with this...... u how do I get to know that these systems are developed or not....is it dependent on genetics ? So can I use hgh or igf in cycle without AAS is it worth? Ikno this sounds foolish ...