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Mean (95% CI) transferrin saturation during 8 h after an oral dose of 6 mg Fe with a meal, 60 mg Fe with a meal, or 60 mg Fe without a meal as FeSO4. Curves display values at each time point for the respective meal for 25–29 subjects; transferrin saturation data were incomplete at some time points for 7 iron-replete subjects. Labeled legends indicate that the AUC for meals without a common letter differed, P < 0.0001 (repeated-measures ANOVA with Bonferroni correction).
