According to the new docuseries Fit for TV: The Reality of the Biggest Loser, Michaels allegedly worked with producers to restrict contestants' caloric intakes to dangerous levels, gave contestants caffeine pills, and prevented contestants from getting proper medical care.

Jillian Michaels is punching back at “The Biggest Loser” alumni who made claims against her in the Netflix documentary “Fit for TV,” which explores the “dark side of the NBC reality series.” Michaels was a fitness trainer on the weight-loss competition series from 2004 to 2011,