A powdered composition for the production of an acidified milk beverage, a process for preparing the powdered composition and an acidified milk beverage prepared from the powdered composition. The powdered composition comprises a stabilizer, a milk-based ingredient and a food grade acid, and is in the form of spray dried powders. The process for preparing the powdered composition comprises preparing an aqueous composition containing a milk-based ingredient and a stabilizer； acidifying the aqueous composition with a food grade acid under high shear conditions； and spray drying the acidified solution to powders.
