Some thought Tuesday night’s winner of “The Biggest Loser” lost too many pounds, and now we might know why.

Rachel Frederickson — who lost 60 percent of her body weight, dropping from 260 to 105 pounds — eats just 1,600 calories a day, according to USA Today. She also eats five meals a day and works out in the gym to help keep the weight off.

"I eat a protein in every meal, and then when I had down time, my butt was in the gym!" she told the paper. "I was on the spin bike, I was at the exercise classes, I was swimming in the pool, and just connecting, too, with all the people in the classes — which was my favorite part. I hid myself so much, so to be able to go to these classes and make connections with the motivation in the room, that was the best part about all of it."

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