| LB6 | Low vitamin B6 |
| HB6 | High vitamin B6 |
| PLP | Pyridoxal 5-phosphate |
| TG | Triglycerides |
| HOMA-IR | Homeostatic Model Assessment of Insulin Resistance |
| PCoA | Principal Coordinate analysis |
| PLS-DA | Partial Least Square Discriminant Analysis |
| SCFA | Short Chain Fatty Acid |