Amazon is known to mix stock based on the EAN/UPC. If a merchant is inserting counterfeits that bear the same barcode as the original, they will be mixed togeth

Amazon is known to mix stock based on the EAN/UPC. If a merchant is inserting counterfeits that bear the same barcode as the original, they will be mixed together with the real thing with no traceability, and buyers could end up with the fake even if they bought it from a legitimate seller.