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UFC president Dana White on Friday showed off his incredible weight-loss transformation on social media on Friday.

White posted a split picture of himself on his Instagram. One of the splits showed a picture of him from March 2017. The blurry side view photo appeared to show a heavier White. But the picture on the right, from earlier this month, showed the mixed martial arts executive ripped.

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UFC's Dana White at UFC 290

UFC President Dana White attends the UFC 290 event at T-Mobile Arena on July 8, 2023, in Las Vegas, Nevada. (Chris Unger/Zuffa LLC via Getty Images)

"F---IN NUTS!!!" he wrote on his Instagram.

White opened up about his weight loss journey last year. He talked about why he was determined to lose a bunch of weight. He said he had worked with Gary Brecka to try and determine when he was going to die. White admitted that he was obsessed with his mortality and reached out to the biologist for help.

White said on the "Action Junkies" podcast his triglycerides were an outrageously high number and that "everything else that could possibly be bad is bad."

"He gave me 10.4 years to live. . . And he says, ‘If you don’t change these things that you’re gonna do, this is your life expectancy right now.’"

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Dana White talks to Ukraine player

UFC president Dana White speaks with Serhiy Sidey of Ukraine after awarding him a UFC contract during Dana White's Contender Series season seven, week five at UFC APEX on September 5, 2023, in Las Vegas, Nevada. (Cooper Neill/Zuffa LLC via Getty Images)

White said he had followed Brecka’s advice to change his lifestyle and that it clearly has had a good effect on him. In October of last year, White said he was down 30 pounds.

In April, boxing promoter Eddie Hearn suggested that White’s journey had inspired his own.

"Look at Dana White. I spoke to him two days ago. He’s been working with a guy called Gary Brecka, who has a company that tells you how long you have left to live," Hearn told Men’s Health. "Before he started working with him, he apparently had a life expectancy of 10.4 years. Now, they've completely changed around his insulin, his glucose, his cholesterol, everything.

Dana White in Las Vegas

UFC president Dana White speaks with media after the UFC 290 event at T-Mobile Arena on July 8, 2023 in Las Vegas, Nevada. (Jeff Bottari/Zuffa LLC via Getty Images)

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"I look at Dana now, and physically as well as from a business point of view, he’s a bit of an inspiration for me."