Found this on the web:
Can anyone validate this, thus putting enthante and acetate in the clear? How does tren's hepatoxictiy compare to that of the 17aa's?I have read that liver and kidney toxicity has been linked to the hexahydrobenzylcarbonate ester and was previously thought to be a result of the trenbolone itself. I don't know how true this is --the bulk of this info is in french and i can not translate it.