Suggest Herbal Treatment For PCOS

respected Doctors ! Kindly advise me.I am 20 and my weight is 59 Kg.I have PCOS detected 1.5 year back. taken krimson 35 with metformin for 6 months.My periods became regular.I stopped medicine then again my periods stopped.i again started taking krisanta ang metformin,the same result.i want to get rid of these medicines.What shouid i do. I am ready to take herbal medicines for permanent cure.