and then he moves ot the self checkout system & then he continues to scan the food items he has purchased and when he scans, all the items have their nutrients displayed in the screen, the nutritional content basically includes sugar content, fibre, fat, carbs in that particular item . Each nutritional value will have 3 colors, red green and yellow to show if any nutritional content is too high and bad for consumption on an average consumer data basis. after each nutritional content is revealed, the actual blood sugar level of the person is compared to the sugar content of the item he is purchasing.