Evening primrose or chaste tree/vitex

Hey everyone so i have pcos and very mild endometriosis but i have very regular period 28-30 day cycle never miss a period at all i do have pelvic pain most days and very oily skin and abit of facial hair but lile

Side burns and i do get a little tash nothing a little hair remover dont solve lol but my mum gets the facial hair and so does my sister and they havnt got pcos so i assume its just normal as we have dark hair and olive skin i dunno 🤷🏻‍♀️ anyway ive been pregnant once back in 2012 sadly i misscarried and no luck since anyway ive read up about evening primrose and chaste tree/vitex anyone kno witch ones best and also a quick question about the evening primrose i kno i sound stupid but is it tablet form or oil like how do you use the oil sorry i sound really dumb but never used anything like these befor so abit of help would be nice and id be very very greatful thanks im also asking on here cuz when ever i post on the ttc one no one ever helps me 😞