GSTM1 and anemia (phenotype): After continuous use of Moringa leaf powder, the gap widens and only a small proportion of children (~20%) from the intervention community remained in with moderate anemia while most (>75%) returned to mild and normal Hb levels, in contrary, those from the control community, over 56% where still with moderate anemia, although presenting a gradual, stable increase in mean Hb level (Figure 2, Figure 3).