Vital ready to hang 1.0 Cal with safety screw connector, 1000 mL. 1,000 calories per container. Therapeutic elemental nutrition to support GI tolerance. Vital 1.0 is a peptide-based elemental formula for patients experiencing malabsorption, maldigestion, or impaired GI function and/or feeding intolerance. For tube or oral feeding. For supplemental or sole-source nutrition. Use under medical supervision.