It 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

English translation · Sunan Ibn Majah