| AMPK | 5’ Adenosine Monophosphate-Activated Protein Kinase |
| AOM | Azoxymethane |
| APP | Amyloid Precursor Protein, Precursor Protein 695 |
| Aβ | Amyloid Β |
| BAD | Bile Acid Diarrhea |
| BAT | Brown Adipose Tissue |
| BCoAT | Butyryl-Coa:Acetate Coatransferase |
| BCRP | Breast Cancer Resistance Protein |
| C2 | Acetate |
| C3 | Propionate |
| C4 | Butyrate |
| CaBu | Calcium Butyrate |
| CD | Crohn’s Disease |
| CRC | Colorectal Cancer |
| DGBI | Disorder Of Gut-Brain Interaction |
| DSS | Dextran Sodium Sulfate |
| F. prausnitzii | Faecalibacterium prausnitzii |
| FAD | Familial Alzheimer’s Disease |
| FAP | Familial Adenomatous Polyposis |
| FGF | Fibroblast Growth Factor |
| FMT | Fecal Microbiota Transplantation |
| FOS | Fructooligosaccharides |
| FXR | Farnesoid X Receptor |
| GLP-1/2 | Glucagon-Like Peptide-1/2 |
| GLUT4 | Glucose Transporter Type 4 |
| GOS | Galactooligosaccharides |
| GPCRs = GPR41-GPR43-109a | G-Protein-Coupled-Receptors 41-43-109a |
| Gpr43(−/−) | GPR43-Deficient |
| HbA1c | Glycated Hemoglobin |
| HDACs | Histone Deacetylases |
| HFD | High-Fat Diet |
| HOMA-IR | Homeostatic Model Assessment Of Insulin Resistance |
| IBD | Inflammatory Bowel Diseases |
| IBS, IBS-C, IBS-D, IBS-M | Irritable Bowel Syndrome, Constipation, Diarrhea, Mixed Stool |
| IGN | Intestinal Gluconeogenesis |
| IL-6,10,17,18 | (Cytokine) Interleukine-6-10-17-18 |
| LPS | Lipopolysaccharides |
| MAFLD | Metabolic-Associated Fatty Liver Disease |
| MASLD | Metabolic-Dysfunction Associated Steatotic Liver Disease |
| MCT1-4 | Monocarboxylate Transporters 1-4 |
| MPTP | 1-Methyl-4-Phenyl-1,2,3,6-Tetrahydropyridine |
| MS | Multiple Sclerosis |
| MSI-h | Microsatellite Instability-High |
| MYD88/NF-κB | TLR4/Myeloid Differentiation Primary Response 88 |
| NaBu | Sodium Butyrate |
| NAFLD | Non-Alcoholic Fatty Liver Disease |
| NF-κB | Nuclear Factor Kappa-Light-Chain-Enhancer of Activated B Cells |
| Ngn3 | Neurogenin-3 |
| NLRP3 | Nod-Like Receptor Family Pyrin Domain Containing 3 |
| NOD | Nonobese Diabetic |
| PD | Parkinson’s Disease |
| PGC-1α | Peroxisome Coactivator-1 Alpha |
| PKM2 | Pyruvate Kinase Muscle Isozyme 2 |
| PPARγ | Peroxisome Proliferator-Activated Receptor-γ |
| PSC | Primary Sclerosing Cholangitis |
| PSEN1 | Presenilin-1 |
| PYY | Peptide YY |
| rCDI | Recurrent Clostridioides Difficile Infection |
| RCT | Randomized Controlled Trial |
| SCFAs | Short-Chain Fatty Acids |
| SLAB51 | A Mixture Of Lactic Acid Bacteria And Bifidobacteria |
| SMCT1 | Sodium-Coupled Monocarboxylate Transporter 1 |
| SRY | Sex Determining Region Y |
| SRY Sox2 | (Sex Determining Region Y)-Box 2 |
| T1/2D | Type 1/2 Diabetes |
| T2DM | Type 2 Diabetes Mellitus |
| Th1- Th17 | T-Helper 1 Cells- T-Helper 17 Cells |
| TLRs- TLR4- TLR2 | Toll-Like Receptors-4-2 |
| TNF-α | Tumor Necrosis Factor-Alpha |
| Treg | Regulatory T Cells |
| UC | Ulcerative Colitis |
| ZO-1 | Zonula Occludens-1 |
| 5XFAD | Transgenic Mice Overexpress Mutant Human Amyloid Beta |