Jillian Michaels is speaking out as Netflix’s tell-all docuseries about The Biggest Loser continues to grab viewers’ attention.

In a new social media post, the celebrity trainer slammed some of the claims made in Fit for TV: The Reality of the Biggest Loser.

“Dr. Huizenga did approve caffeine pills on many seasons of Biggest Loser,” Michaels, 51, claimed via Instagram on Tuesday, August 19. “Bob Harper not only knew about the caffeine pills the ‘stackers fat burner’ were actually his suggestion. I wanted to use my brand instead because they were cleaner and had no more than 200mg of caffeine (equivalent to a strong cup of coffee).”

She also claimed caffeine was “NEVER banned” on The Biggest Loser.

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