[robodisco]

Perhaps it isn't an issue at this scale but for exporting food products aren't there any regulations / paperwork to fill in? I'm sure I remember hearing the US were getting stricter re: this. Perhaps this is where your missing deliveries are going.

[bemmu]

I should be OK as I am not the importer of the candies, rather the people receiving them are. Still, I try hard to be on the safe side so I've contacted FDA twice to ask if there's something they'd like me to do, once via physical mail and once by email and got ignored both times.

If I started doing the importing on US side myself in bulk amounts, that would be a different story and would involve at least filing FDA prior notices.