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

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,

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 ."

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

In the docuseries, former contestant Tracey Yukich looks back at a time when she appeared on The Tonight Show with Jay Leno. While Tracey was sitting next to him on the show, Jay Leno read death threats directed at her.