What is the primary difference between FH PRO and OvaBoost?

The primary difference is that FH PRO for Women offers preconception vitamin and mineral support, along with the ingredients that help to support egg quality and healthy hormone balance. FH PRO also contains d-chiro-inositol along with myo-inositol. Some women will prefer that combination. In general, FH PRO has everything that OvaBoost offers – antioxidant support and myo-inositol (plus d-chiro-inositol), along with the vitamin/mineral component.