Kate Quilton returns for a new series investigating the alleged health benefits of superfoods. Kate's on a global quest for the truth behind the hype. In this episode, Kate travels to India to find out if a daily grind of pepper could be one of the most significant medical breakthroughs of the century. She also meets a scientist who believes white wine could be the key to kidney health and visits Norway to find out if sauerkraut could be a gut-health superstar.