The company's products include Belerofon, an injectable and orally available interferon alpha for treating chronic Hepatitis C infection, and Vitatropin, an injectable and orally available human growth hormone for treating growth deficiencies. Nautilus Biotech uses protein engineering technology to enhance the pharmacology profile and administration route of popular protein drugs. Founded in 1999 and based in Evry, France, the company sells its products in France and internationally.