Sunan Ibn Majah 3453
سنن ابن ماجه#3453Da'ifIt was narrated from Abu Sa`eed and Jabir that the Messenger of Allah (ﷺ) said:“Truffles are a type of manna, and their water is a healing for eye (diseases). And the `Ajwah* are from Paradise, and they are healing for possession.”** Another chain from Abu Sa`eed from the Prophet (ﷺ) with similar wording
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Fouad Abd al-BaqiSahih
Shuaib Al ArnautSahih Lighairihi
Zubair Ali ZaiDaif
In-book reference: 31:18