“…but some people report that they get bad side effects of it, and the emails that I got from them seem to indicate that you don't think it's ever the actual pregnenolone that's causing this. It's some kind of a contamination that's in the pregnenolone. Do you have any specific things in mind in terms of contaminants that may cause such reactions, considering that the pregnenolone is at least – has been shown to be of such high purity?”