Effect of Probiotic on the improvement of Ibuprofen-induced Gastric Mucosal Injury Model in Wistar Rats Rabiatul Adawiah1*, Andy Darma1,2, Reza Gunadi Ranuh1,2, Alpha Fardah Athiyyah1,2, Subijanto Marto Sudarmo1,2 Abstract Introduction: Gastric mucosal injury is a situation that is often obtained as a result of various conditions in humans, both adults