i have. lots of others have. honestly, i was freaked out by the thought of getting it. when i did develop a small bit of gyno (pea sized lump behind each nip) i really freaked out. then i ordered some letro for 2 weeks and BAM! gyno free since june. its a lot less stressful knowing letro takes care of it so quickly, and permenantly. prolactin gyno is more of a worry though.