Sahih Muslim 5372
صحيح مسلم#5372SahihIbn 'Umar reported Allah's Messenger (ﷺ) as saying that a non-Muslim eats in seven intestines whereas a Muslim eats in one intestine
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: 36:246