Though the exact reasons aren't clear, juice bars began to waver in this year's Franchise 500®, just as cinnamon roll bakeries are starting to make a comeback.
In 2000, only 24 percent of U.S. adults surveyed were dieting, according to the Calorie Control Council. That number was down from 27 percent in 1998 and 37 percent in 1986.
But Wilkerson says the drop in juice bars may be due to economic, rather than gastronomic, reasons. "Some of the problem is just the price of products," he explains. "The juice products have really gone up in price, which puts a squeeze on margins."