| Hb | Hemoglobin |
| GOS | Galacto-OligoSaccharides |
| ID | Iron Defiency |
| IUNS | International Union of Nutrition Societies |
| MCHC | Mean Cell Hemoglobin Concentration |
| MNP | MicroNutrient Powders |
| sTfR | Soluble Transferrin Receptor |
| TfR-F | Transferrin-ferritin Index |
| TIBC | Total Iron Binding Capacity |