I received my gear today and was stoked about trying the Masteron E. pinned 1ml with my usual Watson Cyp. About half hr later my lips,face, ear, arms got hot and itchy. I didn't know if it was from my Niacin (Flush Type), which is time released and happens sometimes out of nowhere. I found out through pm's that all the gear I received is carried with EO. I googled it and it seems like some sketchy shit. No long term studies on safety or effects in the body but it's know to turn into Ethanol in the body, which is toxic to organs from what I understand. It says safe for oral ingestion bc it is degredated by the gut and stomach acids very rapidly but I would have to think injecting it IM would allow it to sit in the body and blood and build up into toxic levels. I am wondering if I had a reaction. I am going to shoot it one more time and not take any Niacin that day and see if it happens again. It seems more and more sponsors are turning to it for the blends and high concentrated gear. It's scary to me. I would like to hear some theories or see some more studies on it. Also hear from ppl that can't tolerate it and what happened. Did u keep plugging away so your cycle and $ wouldn't be wasted ? I think this carrier needs to be talked about a lot more