date:May 17, 2012
though approximately 1,000 micrograms of folic acid/day was tested, the recommended intake of folic acid in the periconceptional period is 400 micrograms/day; additional low-dose studies are needed to determine whether a lower dose would produce similar effects to those described here, they concluded.
Source: Journal of the Academy of Nutrition and Dietetics
Published online ahead of print, doi: 10.1016/j.jand.2012.03.001
Absorption of Folic Acid from a Softgel Capsule Compared to a Standard T