‘Utbah ibn Ghazwan reported: I found myself as the seventh among seven who had been with the Messenger of Allah, peace and blessings be upon him. We had nothing to eat but the leaves of a wild tree until the corners of our mouths were wounded.
Source: Ṣaḥīḥ Muslim 2967
Grade: Sahih (authentic) according to Muslim
عَنْ عُتْبَة بْن غَزْوَانَ قَالَ لَقَدْ رَأَيْتُنِي سَابِعَ سَبْعَةٍ مَعَ رَسُولِ اللَّهِ صلى الله عليه وسلم مَا طَعَامُنَا إِلاَّ وَرَقُ الْحُبْلَةِ حَتَّى قَرِحَتْ أَشْدَاقُنَا
2967 صحيح مسلم كتاب الزهد والرقائق