Corenswet was photographed in New York City while wearing a heroically tricep-bearing ensemble: a ribbed white tank, pale khaki trousers, dark shades, and a gray sweatshirt tied diagonally across his torso.

David Corenswet ate 4,500 calories a day and gained 40 pounds to bulk up for Superman. While Corenswet’s diet matched his training, a dietitian shares how this may not be sustainable for most.