Methods and systems for transferring restricted distribution medical products to an over-the-counter general sales environment are provided. Methods and systems of dispensing non-prescription, behind-the-counter medical products from a vending machine in a general sales location are also provided. In some embodiments, methods and systems are provided for dispensing a medical product from a vending machine in a general sales location based, at least in part, on biometric data collected from the purchaser and, in some instances, based on self-selection and/or de-selection criteria, is provided. Further, methods and systems of switching prescription medical products to non-prescription, over-the-counter medical products are provided.