| Purpose | Patients | Evaluations | Perceived Effectiveness |
|---|---|---|---|
| Alkaptonuria | 35 | 9 | |
| Tyrosinemia type I | 1 | 0 |
Common side effects
| Side effect | Patients | Percentage |
|---|---|---|
| Darkening of facial hair | 1 |
Side effect severity
| Severity | Evaluations | Percentage |
|---|---|---|
| Severe | 0 | |
| Moderate | 0 | |
| Mild | 1 | |
| None | 8 |