This doesn't sound like a healthy situation at all!
Kai Hibbard lost 121lbs while on The Biggest Loser in 2006, but the mental and physical abuse she says she went through is still haunting her to this day!
The former contestant shared some scary info in an interview with the New York Post, where Kai revealed that she went through such hard physical rigors on the show that her hair started falling out, and her period stopped. She was also only sleeping three hours a night. Years later, she's still dealing with these problems and Thyroid issues as well.
That's not where this stops though. Once on the ranch, contestants work out five to six hours a day right away. Kai confessed: