I take two of them every time I have a banging headache lol you're fine taking two
You can also try Vitamin B100 and magnesium. It works well for migraines, and there is some connection between migraines and hormones. (In other words, some headaches come from hormone changes.) It works for me when I am on high hormonal doses for IVF.
Yes you can. I have a paper that tells me all i can take through pregnancy.