This isn’t the only time Kumail Nanjiani has spoken in depth about getting ripped for his role in The Eternals. From what he describes, the challenge wasn’t the workouts as much as the extreme diet. For a year he hadn’t eaten pizza, donuts, refined sugar, or carbs, and would snack on sugar snap peas as a treat.
Article source: https://www.cinemablend.com/news/2546669/newly-ripped-kumail-nanjiani-explains-why-he-took-his-eternals-physical-transformation-so-seriously