How do you scan food that has no barcode?
Short answer
Point the camera at the ingredients panel instead of the barcode. Olive Detective reads the printed ingredient list with on-device text recognition and runs the same seed-oil, additive and allergen detection against it. Loose produce needs no scan at all — whole, unprocessed food scores well by definition — and restaurant food is covered by the seed-oil-free dining map.
When the barcode fails
There are two failure modes. Either the barcode does not scan — damaged, curved, poorly lit — or it scans fine but the product is not in the database. Open Food Facts holds over two million products and is strongest in Europe and North America, but store brands and regional products go missing regularly.
In both cases the fix is the same: switch to the ingredients panel. Text recognition runs on the device, so the label never leaves your phone, and the analysis that follows is identical apart from the nutrition table, which a label photo may not supply.
Food that has no label at all
- Loose fruit and vegetables — whole and unprocessed, nothing to flag
- Butcher and deli counters — ask what fat is used; cured meats are the ones worth asking about
- Restaurant meals — the fryer oil is the question, and the app's dining map lists venues that cook without seed oils
- Bulk bins — the ingredient information is on the bin label, which the camera can read
More answers
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Last updated 26 August 2026.
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