Alternatively, fortification through point‐of‐use multiple micronutrient powders has been associated with an increase in height, haemoglobin concentration, plasma/serum concentrations of ferritin, retinol, zinc, and a decrease in soluble transferrin receptor concentration, although except for anaemia, the results have been mixed (Tam et al., 2020). Here, TFRC is linked to anemia (phenotype).