Al-Kāfi - Volume 8 > Hadith
Hadith #441

عَنْهُ عَنْ أَحْمَدَ عَنِ ابْنِ مَحْبُوبٍ عَنِ ابْنِ رِئَابٍ عَنِ الْحَلَبِيِّ قَالَ سَمِعْتُ أَبَا عَبْدِ اللَّهِ (عليه السلام) يَقُولُ لَا تَنْفَعُ الْحِمْيَةُ لِمَرِيضٍ بَعْدَ سَبْعَةِ أَيَّامٍ.

441. From him, from Ahmad, from Ibn Mahboub, from Ibn Ra’ib, from Halby who said: I heard Abu Abdullah (asws) saying: ‘Dieting is not beneficial to the sick after seven days’.