The Great British public have never had so much information about food at our fingertips. Every day superfoods hit the headlines, and there are thousands of studies devoted to connecting the humblest of ingredients to the grandest of claims. In this new series presenter Kate Quilton will be examing the science behind some of the supposed health benefits of our superfoods, and aiming to discover whether any food can really call itself 'super'. In the first episode, Kate will be finding out whether kale has a secret power that could help eye health, discovering if grapefruit really can help in the fight against fat, and uncovering the truth about sugar substitute xylitol, and whether it could actually be good for our teeth.