Hmm, from what i thought of that one is that it tells your body to create more natural testosterone. I expected it to be similar to what clomid would do. Id like to know for myself too. I thought maybe he was using extreme muscle growth also.
None the less the endocrine one you suggested should be good. Also maybe Luteinizing hormone (LH) and follicle-stimulating hormone audio may help because stimulate the gonads - in the testes.