| IBD | Inflammatory bowel disease |
| UC | Ulcerative colitis |
| CD | Crohn’s disease |
| EEN | Exclusive enteral nutrition |
| RCT | Randomized controlled trial |
| SCFAs | Short-chain fatty acids |
| WD | Western diet |
| OR | Odds ratio |
| CI | Confidence interval |
| HR | Hazard ratio |
| CRP | C-reactive protein |
| FC | Fecal calprotectin |
| PUFAs | Polyunsaturated fatty acids |
| CDED | Crohn’s disease exclusion diet |
| PEN | Partial enteral nutrition |
| PCDAI | Pediatric Crohn’s disease activity index |
| SCD | Specific carbohydrate diet |
| mSCD | Modified specific carbohydrate diet |
| MED | Mediterranean diet |
| PUCAI | Pediatric Ulcerative Colitis Activity Index |
| CD-TREAT | Crohn’s disease treatment-with-EATing |
| QoL | Quality of life |
| CDAI | Crohn’s Disease Activity Index |