| Clue | Source | Date |
|---|---|---|
| DNA-altering substance | ||
| Maybe harmful chemical upset stomach - a fellow taken short | The Times Cryptic | 21 Oct 2024 |
| Briefly unable to talk to spy not finished producing arsenic, for one | Irish Times Crosaire | 18 Sep 2021 |
| Blokes accepting university name for chemical substance? | The Telegraph Toughie | 26 Dec 2018 |
| Bodily substance that could give men a gut | The Telegraph Toughie | 31 Jan 2017 |
| Agent for change to get a stomach churning over — dope? | ||
| It changes genes | ||
| It changes genes | ||
| Radiation, e.g. | ||
| Agent of change | ||
| Agent of change |