All customer information is currently held in databases that are not connected to the Internet.
The packages you will be sent are small and discrete and involve no paperwork.
The matter is that a manufacturer can not possess a patent for a certain chemical agent, this is why different manufacturers of generic drugs are able to produce the so-called generics legally.
Buying a generic medication one pays less but gets the very same result.
This is easily explained by a number of marketing and production differences.