Sahih Muslim Book 23, Hadith Number 4979.

Chapter : Permissibility to use Nabidh which is not strong and has not turned into Intoxicant.

Sahl reported that Abu Usaid al-Sa’idi came to Allah’s Messenger (may peace be upon him); the rest of the hadith is the same, but he did not mention this: when he had eaten (the food) she gave him this to drink”.