honestly bro, it is toxic but so is any other oral you use... some more so than others, yes but trust me, your missing out if you don't use it... cycle assist, mk2866 and bam, your good... you just want to protect your internal organs and your joints... its no more toxic than tbol or dbol etc... anavar is FAR more toxic than others lead you to believe... its HOW you run it and what ancillaries you use that determine what kind of sides you have... one thing about winstrol is the effect it has on cholesterol... if that's a problem for you, gw combats this big time but i've used winstrol for years and none of my values suffered whatsoever because i run it right