"For a year and a half, until about four months ago, I followed a strict vegan diet based on raw fruits and vegetables," she told Amica magazine, as excerpted by the Daily Mail. "No bread, no sugar and coffee. But I had lost too much weight."
In March, Fox's trainer Harley Pasternak addressed the actress' then super-slim physique. "Believe it or not she has this really fast metabolism," he told Hollywoodlife.com. "With her it's really about she's eating enough of the right things. People thought 'Oh she must be anorexic,' but she's far from that!"