ʿUyūn akhbār al-Riḍā
Hadith 130130 - وَبِهذَا الإِسنادِ عَنْ عَلِىِّ بْنِ أَبِي طالِبٍ عَلَيْهِالسَّلامُ قالَ: ذُكِرَ عِنْدَ النَّبِيِ صَلَّى اللهُ عَلَيْهِ وَآلِهِ اللَّحْمُ وَالشَّحمُ فَقالَ: لَيْسَ مِنْهُما بَضعَةٌ تَقَعُ فِي المِعدَةِ إِلّا أَنبَتَت مَكانَها شِفاءً وَأَخرَجَت مِن مَكانَها داءً.
31-130 According to the same documentation, Ali ibn Abi Talib (a.s.) said, “There was talk of meat and fat in the presence of the Prophet (S). He (a.s.) said, “Whenever a bite of meat or fat enters the stomach, it will heal there and remove the pains from there.”