Almost done with my first cycle ever of test , im bulking and ill hopefully be 235 by the end of the cycle at around 15 % BF , im consuming between 4500 and 5000 cals daily , id like to start my cut after post cycle therapy (pct) , my question is how slowly should I cut calories to retain mass , and id also like to throw clen in , is clen worth taking and when should I throw it in ?