Michael Phelps Says He Relied on Junk Food to Achieve 10,000-Calorie Days [Video]

Michael Phelps is opening up about his eating habits.

The Olympian, 39, spoke with E! News at the June 26th premiere of his docuseries, Fueled By, about how his diet has changed since retiring from competitive swimming in 2016.

While training, Phelps used to consume 10,000 calories per day — most of which he got from junk food. However, his diet has since evolved. “I probably eat cleaner now than I used to,” the retired swimmer told the outlet. “And that’s just because I’m not eating as much as I used to.”

While reflecting on his old diet, he said, “There’s no way you can just eat clean and get all those calories. So, I was trying to cram ice cream and whatever I could into my system.”

Phelps added that his mentality around food has changed since leaving the sport. “Eating was a full-time job for so long, so now I kind of just eat what I need and what I want …