Fresenius Kabi India Pvt. Ltd. Offers Electrolytes Free Amino Acid. Fresenius Kabi India Pvt. Ltd. Is the manufacturer of plasma volume expanders, intravenous drugs and basic intravenous solutions. Electrolytes Free Amino Acid, under brand name of Aminoven Infant, is used for infants. Electrolytes Free Amino Acid comes with no risk of metabolic acidosis and allergic reactions free from sulphites.