| 2′-FL | 2-Fucosyllactose |
| FOS | Fructo-oligosaccharides |
| GOS | Galacto-oligosaccharides |
| GOS/FOS group | Control group |
| HMO | Human milk oligosaccharides |
| HMO group | Experimental group |
| BM group | Breast milk group (reference) |
| 2′-FL | 2-Fucosyllactose |
| FOS | Fructo-oligosaccharides |
| GOS | Galacto-oligosaccharides |
| GOS/FOS group | Control group |
| HMO | Human milk oligosaccharides |
| HMO group | Experimental group |
| BM group | Breast milk group (reference) |