Promactin AA (Amino Acid) Plus, 183 Calories. For the dietary management of Methylmalonic Acidemia and Propionic Acidemia (MMA/PA). Dispensed by prescription. Promactin AA Plus is a ready-to-drink metabolic formula product for Propionic Acidemia and Methylmalonc Acidemia patients, over 1 year of age. Promactin contains an advanced fortification blend. Product comes in a 250 mL carton.