TPN Electrolytes (multiple electrolyte additive) Injection 20 mL SDV Vials x 25/Tray (RX)TPN Electrolytes (multiple electrolyte additive) Injection is used in total parenteral nutrition (TPN) to provide essential electrolytes to patients who cannot receive adequate nutrition orally or enterally. This injection helps maintain normal fluid balance, nerve function, muscle function, and acid base balance by supplying critical electrolytes such as sodium, potassium, calcium, magnesium, chloride, and phosphate. Administered under medical