Using standardized methods, the investigators will perform stable iron isotope absorption studies in young Kenyan women and their preschool children (2-5y of age) with varying iron status to measure iron absorption from maize meal containing labeled ferrous sulfate. Using these data, this study aim is to define the ferritin in these young women and children at which the body senses iron depletion and begins to upregulate iron absorption from the diet; this approach could provide a functionally defined threshold of iron deficiency in Sub-Saharan African women and children.
Age range
18 Years – 30 Years
Sex
FEMALE
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Fractional iron absorption
Timeframe: Study day 14