The substitution or mixing of higher value food and beverage ingredients with inferior or sub-standard products is an increasingly lucrative market, and of continued concern to the health of consumers. According to a study by Allied Market Research in 2015, the counterfeit food and beverage market is estimated to be reach US$62.5 billion globally by 2020. To counter this, researchers from Italy have developed a cheap and efficient technology, called NanoTracer, that uses DNA barcoding to not only identify the substitution of higher value ingredients, but also its dilution with cheaper ones. To find out more go to DNA barcoding meets nanotechnology: development of a smart universal tool for food authentication.