Nestlé checker
Scan the barcode on the back of the box, or type the code and any brand name you see.
Registry
Search by product or brand name
Search registry
Scan barcode with camera
Or type barcode digits
Brand / "produced by" text on the box (optional)
Check
Result is a best guess, not proof. A barcode alone cannot reliably show who owns a product, and "no match" does not mean "not Nestlé". Check the small print on the box too.