Food without Mentioning the Name of Allah
The Messenger of Allah (s) said:
«كُلُّ طَعامٍ لا يُذْكَرُ اِسْمُ اللّهِ عَلَيْهِ، فَاِنَّما هُوَ داءٌ وَ لا بَرَكَةَ فيهِ»
‘Every food on which the Name of Allah is not mentioned is (a cause of) disease and is devoid of barakah (blessing).’
Source: Kanz al-ʿUmmāl,15: 238