ARS Pharmaceuticals Inc is a biopharmaceutical company focused on the development of novel, potentially first-in-class product candidate, neffy for the emergency treatment of Type I allergic reactions, including anaphylaxis. neffy is a proprietary composition of epinephrine with an absorption enhancer called Intravail, which allows neffy to provide injection-like absorption of epinephrine at a low dose, in a small, easy-to-carry, easy-to-use, rapidly administered and reliable nasal spray.