Sahih Muslim 5766
صحيح مسلم#5766SahihAbu Huraira reported that he heard Allah's Messenger (ﷺ) as saying:Nigella seed is a remedy for every disease except death
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 39:118