<<Disclaimer: Verify this information before applying it to your situation.>> The info wouldn't get into the bar code. The idea would have to be that we use the existing bar code as the key to a database in the PC. The PC database would have a list (maybe a start would be the GF Shopping Guide from the folks in Michigan). We would need to update the database often (send out disks) to keep the PC's updated with new or different manufacturer information about the product. I have only worked a limited amount with bar coding but it really isn't that hard of a concept. The only draw back I see is that the equipment you would need to take to the grocery store would be either really expensive (laptop PC & bar code wand) or real combersome (lug a cheap huge PC around). Technically it would be possible but ... Tim, [log in to unmask] Warsaw, IN