There is provided a liposomal suspension comprising transmembrane pH-gradient liposomes in an
aqueous solution, the suspension comprising
citric acid anhydrous and lipids in a ratio of (3.54 g / L) / (6.49 g / L) along with a kit for preparing the liposomal suspension, uses of the liposomal suspension and kits for treating an
ammonia- or
ammonia methylated analog-associated
disease or disorder, or a symptom thereof; endotoxemia; or endotoxemia-associated
disease or disorder or a symptom thereof, in a subject in need thereof. Also provided are a
system and method for intraperitoneally administering the liposomal suspension to a subject in need thereof.