05 Dec 2019 --- Tapping into personalized nutrition, genetic testing company DnaNudge has launched new pop-up services at supermarket chain Waitrose and department store John Lewis in the UK. Shoppers can take a quick, on-site cheek swab to generate a personalized DNA report revealing key nutrition-related health traits. DnaNudge’s technology is the first in-store genetic test that “nudges” shoppers to make healthier choices and to get sufficient physical exercise, all provided by DNA technology.