David Corenswet underwent intense physical transformation and gained 18 kg of muscle to live the new Superman in theaters
David Corenswetchosen to interpret the new Supermanunderwent an intense physical transformation to assume the role. In an interview with Business Insiderthe personal trainer PAOLO MASCITTI He revealed that the actor gained about 18 kg of muscle mass in less than a year. “It was a slow and constant process, as it should be. The construction of such a physique takes time”he said.
Intense training and focus on real force, not only aesthetics
Second MascittiThe preparation began in July 2023 and followed a classic division of training into three blocks: push, pulling and legs. The focus was on composite exercises such as squats, supine, survey and paddles, with priority for functional development.
“We didn’t want him to look like a dry bodybuilding. We wanted a large, strong body with volume, but without exaggeration.”he explained. The training was adapted according to the demands of production, always considering the action scenes and use of cables. “We also work the core a lot, because it needs stability for stuntmen. The appearance is important, but the function comes first.”
Corenswet I trained five to six times a week, respecting the load and recovery phases. “The most important thing is that he trusted the process. A lot of people want quick results, but he understood that this kind of transformation requires time and discipline.”
Superhero diet: up to 4,500 calories a day
Food was one of the strictest pillars of routine. During the period of mass gain, Corenswet It consumed between 4,000 and 4,500 calories a day. The menu included eggs, fish, chicken, rice, vegetables and sweet potatoes, with balanced division between macronutrients. “Our focus was to use real food, no shakes or excess supplements”he said Mascitti.
In the final phase of preparation, intake was reduced to about 3,500 calories to help define without compromising muscle volume. Despite the restricted diet, the coach says that Corenswet had its indulgences: “His kryptonite was a cereal. And from time to time we fit waffles or French toast. All with balance.”
Lightness discipline
Even with a demanding routine, Corenswet It maintained a quiet attitude. “He listened to jazz while working out. He always came focused, but light. No stress or unnecessary pressure”told Mascitti.
For the coach, the actor’s differential was ConstĂ¢ncia. “Transforming the body requires more than training and diet. It requires mindset. Every meal, every series, every time of sleep … Everything counts.”
What is the story of Superman?
Superman will accompany Superman/Clark Kent (David Corenswet, Pearl, Hollywood) In search of reconciling his Kryptonian heritage with his human creation. In the first previews disclosed, we have seen that the hero, despite using his powers to protect the earth and its inhabitants, is considered an outcast by many for not being born on our planet, which has resulted in criticism of their actions.
Who’s in the cast?
In addition to David Corenswet, SupermanIt is headed by Rachel Brosnahan (The wonderful Mrs. Morel) as Lois Laneromantic interest of the protagonist, and NICHOLAS HOULT(The great) as Lex Luthorgreat enemy of Superman.
Skyler Gisondo (Outstanding) as Jimmy Olsen, Isabela Merced (The Last of Us) as GaviĂ£o, Nathan Fillion (The Suicide Squad) as Green lantern, Edi Gathegi (Dusk) as Incredible sir, Anthony Carrigan (Barry) as Metamorph, MarĂa Gabriela de FarĂa (Isa tkm) as Engineer, Sara Sampaioas Eve Teschmacher, Frank Grillo (Captain America: The Winter Soldier) As Rick Flagg Mr. and Alan Tudyk(Rogue One: A Star Wars Story) as Superman Robot #4 complete the cast.
When debut Superman?
Written and directed by James Gunn (Galaxy Guardians: Volume 3), Superman, that marks the official launch of DC’s cinematic universe, debuts in Brazilian theaters from July 10, 2025. Watch the following novelty trailer:
Source: Business Insider
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Source: Rollingstone

Rose James is a Gossipify movie and series reviewer known for her in-depth analysis and unique perspective on the latest releases. With a background in film studies, she provides engaging and informative reviews, and keeps readers up to date with industry trends and emerging talents.