Beef liver and omega 3
I take quite a few, pregnancy Multinutrient by Inessa (you can take this before, during and after pregnancy), DHA, NAC, CoQ10, Calcium, Magnesium, Vitamin D. Zinc is also a good one to take. You can Google these individually and how they gel to boost fertility, egg quality, etc.
Just any pre-conception and pregnancy supplements with folic acid in, I use the brand midwife expert