| serotonin → MadeOf → the amino acid tryptophan | 0.49 | |
| serotonin → MadeOf → 5-htp | 0.45 | |
| serotonin → MadeOf → norepinephrine | 0.33 | |
| serotonin → MadeOf → protein | 0.33 | |
| serotonin → MadeOf → dopamine | 0.30 | |
| serotonin → MadeOf → 5 hydroxytryptophan | 0.27 | |
| serotonin → MadeOf → tyrosine | 0.27 |