Four things will moderate digestion

4-113 Muhammad ibn al-Hassan - may God be pleased with him - narrated that Ahmad ibn Idris quoted Muhammad ibn Ahmad, on the authority of Al-Sayyari, on the authority of Muhammad ibn Aslam, on the authority of Nooh ibn Shoayb al-Neishaboory, on the authority of Abdul Aziz ibn al-Mohtadi who linked it up through a chain of narrators to Aba Abdullah as-Sadiq (MGB)