Protein chips, sex chocolate: what are ‘functional foods’, and do they actually boost health?

If a food is labeled ‘functional’, what does that mean? Not much, experts say You’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 added protein, gut-friendly sodas and collagen oatmeal – all part of the fast-gro...

By Gabriela Galvin