Fresenius Kabi India Pvt. Ltd. Offers Amino Acid Solution for Renal Insufficiency. Fresenius Kabi India Pvt. Ltd. Is the manufacturer of plasma volume expanders, intravenous drugs and basic intravenous solutions. Amino Acid Solution for Renal Insufficiency, under brand name of Nephrosteril, is used to balanced amino acid profile for optimal amino acid utilization in acute or chronic renal disease.