I haven't taken a single prenatal this pregnancy. However, I do take almost everything on its own separately. I just have some very particular specifications of what I need/don't need from a prenatal (I'm not even concerned about the feeling sick aspect) and I've yet to find something that absolutely fits the bill. So I take a mess of pills that I feel covers the "essentials". Folate (not folic acid), activated Bs (including B-12), D3, quality magnesium, selenium, etc.
My pregnancy confession is that while I'd planned on being extra healthy this time (since I started off a little less healthy than my other pregnancies) I've instead hardly been able to motivate myself to get out of bed for anything more than folding a load of laundry. I'm so tired and haven't exercised in weeks. I also don't normally eat super crappy, but I've given into French fry and potato chip cravings more than once. Ugh. I feel like a pregnant slug.