1. A dispensing station, comprising: a loading compartment housed within the dispensing station and comprising a plurality of loading bins fixedly secured within an interior of the dispensing station, each loading bin configured to hold a dispensable unit; an inventory compartment housed within the dispensing station, the inventory compartment comprising a plurality of inventory bins, each inventory bin configured to hold a dispensable unit; a loading access port having an open configuration and a closed configuration, the open configuration to provide access to the plurality of loading bins from an exterior of the dispensing station through the loading access port while the loading bins remain fixedly secured within the interior of the dispensing station and access to the inventory bins within the inventory compartment is blocked, and the closed configuration to block access to the plurality of loading bins and the inventory bins within the inventory compartment; and a manipulation unit configured to transfer dispensable units from the loading bins within the interior of the dispensing station to inventory bins within the inventory compartment, wherein transferring a dispensable unit comprises removing the dispensable unit from one of the loading bins, moving the dispensable unit into the inventory compartment, and placing the dispensable unit into one of the inventory bins.