The Reality of the Biggest Loser alum, Rachel Frederickson, lost a remarkable 59% of her body weight, from 260 to 105 pounds, winning the series in 2014.

Netflix’s new documentary, “Fit for TV: The Reality of the Biggest Loser” just landed on the streamer and it pulls back the curtain on allegations made against producers and former cast members of NBC’s former series “The Biggest Loser.”

The documentary Fit for TV: The Reality of the Biggest Loser revealed that weight regain affected the majority of previous contestants. This pattern suggests that the show's extreme methods were not sustainable for long-term health. The lack of aftercare support may have contributed to these disappointing outcomes for the contestants.

From tension between Bob Harper and Jillian Michaels to one contestant nearly dying on the set, the new series was full of secrets.

Frederickson did end up gaining back 20 pounds within a couple months of the finale. She told Us Weekly in April 2014 that she felt 125 pounds was her “perfect weight.” She also insisted that she’d lost weight “so naturally” on “The Biggest Loser.”

The Reality of The Biggest Loser, is shining a bright light on the old weight-loss show, and it’s not looking pretty.

Robert Huizenga spoke about his experience on 'The Biggest Loser' on the Netflix docuseries 'Fit for TV: The Reality of The Biggest Loser'

The new docuseries hit the 2025 TV schedule on Friday, and one of the biggest bombshells came from Season 8 contestant Tracey Yukich. The then-37-year-old collapsed during a mile run on the beach during their first day on the show and had to be airlifted to the hospital. Yukich described what she experienced, saying: