I cured my PCOS by taking iodine. There is lots of research on how iodine deficiency can cause PCOS. I also IF but that is more recent I started taking iodine a few years back and haven't had any cysts since. The fasting started only a few months ago so I am pretty sure it was the iodine addition that helped me most. I take lugols only because it is the most convenient way for me since I hate sea food and sea weed. I also have hyperthyroid so I take quite a bit of the iodine to keep that under wraps. You might try taking in more sea food or sea weed if you like it.