NIACIN
| Date | Clue |
|---|---|
| 2026-04-25 | One of the B vitamins |
| 2022-05-15 | B3, nutritionally |
| 2019-02-10 | One of the B vitamins |
| 2018-08-05 | Vitamin B3 |
| 2015-02-12 | B3 |
| 2014-10-16 | Vitamin B3 |
| 2011-07-25 | B vitamin |
| 2008-08-13 | Vitamin in liver |
| 2006-10-09 | An essential vitamin |
| 2003-11-05 | Pellagra preventer |
| 2000-03-05 | Pellagra preventer |
| 1996-03-14 | Supply in fresh meat |
| 1994-12-17 | Fresh-meat provision |