online apotheke rezeptfrei bestellen. Generic Inderal (Propranolol) is a beta-adrenergic blocking agent. It works by slowing down the heart and reducing blood pressure, which helps it pump more efficiently and reduces the workload on the heart. Generic Inderal is one of the most prescribed medications of its kind! Generic Inderal is also marketed as: Deralin, Propranolol, Propanolol.