Products like goji berries and quinoa are part of a fast-growing health-food industry – just last year, products derived from the Brazilian aça?-berry grossed 200 million dollars in the United States alone. The aggressive marketing of these superfoods are backed up by often misleading, or overblown, claims of their healthful benefits. Tom Philpott is the co-founder of Maverick Farms, a center for sustainable food education in North Carolina. His work on food politics has appeared in Newsweek and The Guardian…he wrote about superfood myths for Mother Jones.