A bodybuilding champion who held a PhD in Biochemistry has suddenly died at the age of 30.

Guilherme Henrique, known as Gui Bull, was a prominent figure in the sports and fitness community of Maringa, a city in the state of Parana, Brazil.

His death was confirmed on Monday, 5th May. The cause of death has not been disclosed.

Picture shows bodybuilder Guilherme Henrique, undated. He died at the age of 30 in Maringa, Brazil. Note: Private photo taken from social media. (CEN)

Gui Bull was celebrated for his achievements in the Classic Physique and Classic Bodybuilding categories, securing five overall champion titles during his career.

He was also respected for his academic accomplishments, holding a degree in Biology from the State University of Parana (Unespar), and both a master's and doctorate in Biochemistry from the State University of Maringa (UEM).

Picture shows bodybuilder Guilherme Henrique, undated. He died at the age of 30 in Maringa, Brazil. Note: Private photo taken from social media. (CEN)

At the time of his passing, he was pursuing a degree in Nutrition at the University Center of Maringá (Unicesumar).

The Parana Fisiculturismo federation expressed deep sorrow over his death, stating: "Gui Bull was not just an athlete; he was a human being with a giant heart, who radiated energy and inspired everyone with his determination and sportsmanship."

His burial is scheduled for Tuesday, 6th May, at the Municipal Cemetery of Paranavaí, his family's hometown.

(MJ Leidig/newsX)