There's a lot of media BS regarding steroids but synthol is an area the media seems to know little about but could prove to be more health threatening.
"Conclusions
Although the use of synthol by bodybuilders supplies them with the desired short-term effects, the compound progressively destroys the injected muscle. Users are frequently drawn to synthol as it does not share the side effects of androgenic anabolic steroid hormones. However, our case study demonstrates that, despite these perceived advantages, synthol can also have severe and potential life-threatening consequences for its users. "