Study design
SEVERE ANEMIA
The study was a randomized crossover single-blinded study with biofortified and regular potatoes in women living in the city of Huancavelica, Peru. Women aged 18–45 y that met the following criteria were included: BMI 18.5–25 kg/m2; able to come to the study center to eat the prepared potatoes on 2 occasions with a washout in between 30 d, and to remain in the study center for 7–8 h and to comply with all the study procedures; and able to understand and sign the consent form. We excluded subjects according to the following criteria: severe anemia (hemoglobin [Hb] <80 g/L adjusted for altitude) [