I tried taking 50-75 mg DHEA last cycle but I only lasted 15 days (I started getting chest pains... one possible side effect is heart palpitations). I did ovulate a few days earlier than normal, day 16 instead of day 18 or 19. I am wondering if for me, the DHEA converted into estrogen which then maybe even increased my LH and caused me to ovulate sooner than normal. I just got my DHEA-s tested today and based on the results, I may try a much lower dose (like half of a 25mg pill) and work my way up. I don't want to get chest pains again, they were scary.