Season 15 winner Rachel Frederickson lost nearly 60% of her body weight, shocking viewers and health experts at the time. Fit for TV: The Reality of The Biggest Loser, a documentary about the show's complicated legacy,

The Biggest Loser' was not without its flaws, but it also gave me lasting friendships and lessons,” season 14 winner Danni Allen said

Rachel Frederickson faced backlash from Biggest Loser fans for her extreme weight loss. But blame should be placed on the system that exploited her.

In an Aug. 19 Instagram post, she called out fellow TV icon Jay Leno for a mean-spirited 2009 segment from "The Tonight Show with Jay Leno," which was revisited in the new Netflix docuseries " Fit for TV: The Reality of the Biggest Loser ."

Fitness personality Jillian Michaels is pushing back against Netflix over its “The Biggest Loser” documentary and its claims that giving contestants caffeine pills was her idea. The docuseries examines the controversial weight-loss reality show and the lingering issues participants have endured.

The Reality of the Biggest Loser," Danny Cahill shares his experience with the show. He shares how life is for him now.

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'