Sunan an-Nasa'i 2224
سنن النسائي#2224SahihIt was narrated that Muadh bin Jabal said:"The Messenger of Allah said: 'Fasting is a shield
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih
In-book reference: 22:135