Also I just looked up what it is structurally and its a steroid in fact the precursor to all the steroid hormones so these are OK short term but in the long term there can be consequences. So when pro sports players are talking about the problems with steroid supplementation this is going to apply because it makes all of them once it goes into your body also its likely to result in a decrease in the levels of endogenous pregnenolone in your body which could make any sort of withdrawal well on the order of unhappy.