| ACD | Anaemia of chronic disease |
| BCFA | Branched chain fatty acids |
| BMPs | Bone morphogenetic proteins |
| CD | Crohn’s disease |
| DCYTB | Duodenal Cytochrome B |
| DMT1 | Divalent Metal Transporter 1 |
| GF | Germ-free |
| GI | Gastrointestinal |
| H2O2 | Hydrogen peroxide |
| HEPH | Hephaestin |
| HMOX1 | Heme Oxygenase 1 |
| IBD | Inflammatory bowel disease |
| IBS | Irritable bowel syndrome |
| IDA | Iron deficiency anemia |
| Nramp1 | Natural Resistance-Associated |
| PG | Phosphatidylglycerol |
| RBC | Red blood cell |
| ROS | Reactive oxygen species |
| SCFA | Short-chain fatty acids |
| SLC40A1 | Solute Carrier Family 40 Member 1 |
| SLC46A1 | Solute Carrier Family 46 Member 1 |
| SNP | Single nucleotide polymorphisms |
| SOD | Superoxide dismutase |
| SPF | Specific pathogen-free |
| UC | Ulcerative colitis |