I just started a thread over on the conception board about 5mg now being the dose of folic acid Americans are advised to take, because 400ug only gives 47% reduction in risk of neural tube defects.
Wasn't sure whether to post here or there…so here's the linky if you're interested...
www.mumsnet.com/Talk/conception/2005007-5mg-of-folic-acid-is-the-new-recommended-dose-in-North-America-any-thoughts