| AD | Alzheimer’s disease |
| AHR | aryl hydrocarbon receptor |
| CKD | chronic kidney disease |
| CNS | central nervous system |
| CVD | cardiovascular disease |
| CYPs | Cytochrome P450 enzymes |
| eNOS | endothelial nitric oxide synthase |
| GI | gastrointestinal |
| GLP-1 | glucagon-like peptide-1 |
| HCC | hepatocellular carcinoma |
| HK-2 | proximal tubular cells |
| HL-1 | murine cardiomyocytes |
| Huh7 | human hepatoma cell line |
| IAA | indole acetic acid |
| IBD | inflammatory bowel disease |
| IPA | indole propionic acid |
| LPS | lipopolysaccharide |
| LX-2 | human hepatic stellate cell line |
| MDA | malondialdehyde |
| MMP | mitochondrial membrane potential |
| MUC2 | mucin 2 |
| NAFLD | Non-alcoholic fatty liver disease |
| NASH | non-alcoholic steatohepatitis |
| OAT | organic anion transporter |
| PPARs | Peroxisome proliferator-activated receptors |
| PXR | pregnane X receptor |
| ROS | reactive oxygen species |
| SD | Sprague–Dawley |
| Stat3 | transcription 3 |
| TB | tuberculosis |
| TGF-β1 | transforming growth factor-β1 |
| TNF-α | tumor necrosis factor-α |
| Trp | tryptophan |
| TJ | tight junction |
| T2DM | Type 2 diabetes mellitus |
| WD | Western diet |