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

<table>Proportion of plasma samples with detectable concentrations of unmetabolized folic acid. Detection rates at week 6 and week 12 were significantly higher compared to baseline (week 0) in both the 1.1 mg (#) and 5 mg (§) groups.</table>

Obstetrics and Gynecology International

fig7

Figure 7

Figure 7: Circulating Unmetabolized Folic Acid: Relationship to Folate Status and Effect of Supplementation 