| Clue | Source | Date |
|---|---|---|
| Food enhancers (9) | ||
| Food dyes, e.g. | New York Times | 25 Sep 2021 |
| They're extra | Newsday | 05 Jun 2021 |
| Doctor advised to include a note with the supplements | ||
| Food coloring and such | LA Times Daily | 10 Jan 2016 |
| Food coloring and such | ||
| Coloring agents, e.g. | ||
| Antiknocks, e.g. |