Since the dawn of time, people have been fascinated and frustrated in equal measure by the ephemeral nature of youth. We struggle (in vain) to find new ways of maintaining our fresh appearance and vigour, with all sorts of exotic pills and potions being hailed as the next “elixir of youth”. However, as science unravels the complex mechanisms of the ageing process, it seems the most effective remedy may lie not with these elaborate concoctions, but with some humble foods readily available from the supermarket. We run the rule over a few of the key players in this nutritional war on ageing.