PediaSure Peptide 1.5 ready to hang, 1000 mL (1.1 Quart), 1500 calories per container, institutional. PediaSure Peptide 1.5 is a nutritionally complete, peptide-based formula for the nutritional needs of children 1-13 years with malabsorption, maldigestion, and other GI conditions. It is designed to meet the nutritional and caloric needs of kids who require higher caloric density, have fluid restrictions, and are at risk for malnutrition. For oral or tube feeding. For supplemental or sole-source nutrition. Use under medical supervision.