my mate was on a 6 week course of sustanon and deca and never took any thing for a pct he never even knew wat 1 was till i told him. hw will he knw if he his own natural prodution of testosterone will hav bein affected and wat could he do about it. it has bein 13 weeks since his cycle do u think ever fine should be fine. would realy lik advice as my friend is worryed