Osmolite 1 Cal ready to hang with safety screw connector, 1000 mL, institutional. 1,060 calories per container. Osmolite 1 CAL is a tube-feeding formula for patients with caloric requirements of less than 2000 Cal per day or for patients with increased protein requirements. For tube or oral feeding. For supplemental or sole-source nutrition. May be used for oral feeding of patients with altered taste perception. Use under medical supervision.