We do not yet know what doses are needed. We know that 100mg gives regrowth, and 50mg, except for Ein, was not used by anyone, but he did not have alopecia on the temples. We can trust DHTcel's calculations, but there is no guarantee that he is rightWell, you can. You will have to look at your baseline T levels and use then the dose YOU need. And after 3 months do another test and then adjust the dosage from there on and you will be fine for the rest of the time you use it.