If a food is labeled ‘functional’, what does that mean? Not much, experts say If a food is labeled ‘functional’, what does that mean? Not much, experts say Y ou’re at the grocery store, looking for a sweet snack. But these days, the chocolate aisle promises so much more than that: mental clarity , a stronger immune system , PMS relief and even sexual stamina – all in a few squares. Chocolate is hardly the only treat to be reborn as a wellness product. Supermarket shelves now boast chips with