Table 3.
Area under the curve, basal diurnal variation (DV), serum iron and plasma folate by treatment
| Basal Diurnal Variation (DV) | Powdered Supplement | Tablet Supplement | |
| Iron | |||
| AUC (μmol·h/L) | 104.5 ± 34.1 | ||
| Adjusted AUC(after DV) (μmol·h/L) | 10.0 ± 43.3* | 41.8 ± 45.9* | |
| Peak value (μmol/L) | 14.6 | 3.0 | 8.9 |
| Time to peak value (hrs) | 3 | 4 | |
| Folate | |||
| Incremental AUC (nmol·h/L) | NA | 271.8 ± 110.9 | 248.7 ± 140.2 |
| Peak value (nmol/L) | NA | 54.4 | 53.1 |
| Time to peak value (hrs) | NA | 4 | 3 |
AUC, area under the curve. All values are mean ± SD; n(iron) = 17; n(folate) = 18 (sample size differed according to subject exclusion for iron variables). *p = 0.0003.