Historical clue formulations

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