Unlike some extreme athletes, Rice is loath to pump himself full of supplements or protein drinks to sustain his workouts. "I'm a fish and chicken guy," he said. But there is one form of superfuel Rice has quietly begun mixing into his diet: spoonfuls of an obscure Bolivian-grown seed that, he believes, replenishes his energy and helps keep his digestive system humming.
These seeds, which are known as Salvia hispanica, or chia seeds, have a long history that dates back to the ancient Aztecs. Today, however, they're better known as the main ingredient that gives Chia Pet models like Chia Pet Elvis, Chia Shrek and Chia Obama their thickets of lustrous green mossy hair.