| Clue | Source | Date |
|---|---|---|
| Habit-forming | The Guardian Speedy | 03 Sep 2023 |
| Habit-forming cocaine concealed in food colouring? | ||
| Irresistible supplement Charlie divides | The Telegraph Toughie | 12 Feb 2021 |
| Extra ingredient contains cocaine, getting people hooked | ||
| What food enhancer containing Charlie might be? | ||
| Habit-forming preservative, say, going round clubs | ||
| Perhaps flavouring containing cocaine is very moreish | ||
| Habit-forming |