Circulating Unmetabolized Folic Acid: Relationship to Folate Status and Effect of Supplementation

<table>Plasma concentrations of unmetabolized folic acid among women who supplemented with 1.1 mg of folic acid (grey boxes) compared to 5 mg of folic acid (cross-hatched boxes). When analyzed by group, the change in plasma folic acid concentrations was not significant in either the 1.1 mg (<svg height="11.375" id="M69" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 58.712502 11.375" width="58.712502" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,11.112)"><use xlink:href="#x1D443"></use></g><g transform="matrix(.017,-0,0,-.017,15.582,11.112)"><use xlink:href="#x3D"></use></g><g transform="matrix(.017,-0,0,-.017,30.286,11.112)"><use xlink:href="#x30"></use></g><g transform="matrix(.017,-0,0,-.017,38.446,11.112)"><use xlink:href="#x2E"></use></g><g transform="matrix(.017,-0,0,-.017,42.321,11.112)"><use xlink:href="#x32"></use></g><g transform="matrix(.017,-0,0,-.017,50.481,11.112)"><use xlink:href="#x30"></use></g>
</svg>) or 5 mg (<svg height="11.375" id="M70" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 58.712502 11.375" width="58.712502" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,11.112)"><use xlink:href="#x1D443"></use></g><g transform="matrix(.017,-0,0,-.017,15.582,11.112)"><use xlink:href="#x3D"></use></g><g transform="matrix(.017,-0,0,-.017,30.286,11.112)"><use xlink:href="#x30"></use></g><g transform="matrix(.017,-0,0,-.017,38.446,11.112)"><use xlink:href="#x2E"></use></g><g transform="matrix(.017,-0,0,-.017,42.321,11.112)"><use xlink:href="#x31"></use></g><g transform="matrix(.017,-0,0,-.017,50.481,11.112)"><use xlink:href="#x30"></use></g>
</svg>) group.</table>

Obstetrics and Gynecology International

fig8

Figure 8

Figure 8: Circulating Unmetabolized Folic Acid: Relationship to Folate Status and Effect of Supplementation 