Osmolite 1.5 ready to hang high cal high protein nutrition with safety screw connector, 1000 mL. 1500 calories per container. Osmolite 1.5 CAL is a source of Complete, Balanced Nutrition and a low-residue formula for tube-fed patients with increased calorie and protein needs, or for those with limited volume tolerance. For sole-source nutrition via a feeding tube. Use under medical supervision.