MannKind Corporation (MannKind) is a biopharmaceutical company focused on the discovery and development of therapeutic products for diseases, such as diabetes. The Company's product candidate is AFREZZA, inhaled insulin used to control high blood sugar in adults with type one and type two diabetes and also to improve glycemic control. AFREZZA consists of a dry formulation of human insulin delivered from a small and portable inhaler. AFREZZA utilizes its Technosphere formulation technology. The Company's Technosphere powders are -based on the Company's fumaryl diketopiperazine (FDKP), which is a potential of Hydrogen (pH)-sensitive organic molecule that self-assembles into small particles under acidic conditions. The Company has also created breath-powered, dry powder inhalers. Its inhalers can be produced in both a reusable (chronic treatment) and a single-use (acute treatment) format. The Company manufactures AFREZZA in its Danbury, Connecticut facility.