Deficiency of this vitamin causes pellagra

Get the answer to the NYT Spelling Bee clue “Deficiency of this vitamin causes pellagra”, starting with the letters ni.
Click below to uncover the answer.

n
i

This clue was used on February 26, 2026.

This clue has been used several times with the same answer. It also appeared on these dates:

January 18, 2026

January 1, 2026

November 9, 2025

September 11, 2025

September 1, 2025

May 3, 2025

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