Help.. what’s most important in prenatal vitamins?


So I have to start taking vitamins obviously 🙄 but I’m allergic to everything 😕 my doc said just take ur pills separately.. so I went out and got the folic acid I also got iron vitamin b 12.. things like that separately but I know I’m missing some so can anyone help me out? I’m gluten free dairy free soy free so it’s hard to buy these and it be safe for me so separately it is lol 🤷🏻‍♀️