In December 2014, Jillette's blood pressure caused him to be admitted to the hospital. By his birthday, March 5, 2015, he had lost . He follows Joel Fuhrman's nutritarian diet, which means that he eats little or no animal products, no processed grains, and no added sugar or salt. Penn is featured in Eating You Alive, a 2016 American documentary about food and health. In an interview with Big Think in 2020, Jillette said he is a vegan.
