TV show contestants on “The Biggest Loser” lose fat while preserving muscle mass, study shows

USA Today reports, “The grueling boot-camp workouts on NBC’s The Biggest Loser help contestants lose large amounts of body fat while preserving their muscle mass, a new study shows.”

The “scientists measured the weight, body composition and resting metabolic rate of the 16 participants at the start of the show, at Week 6 and at Week 30, the finale.”

The findings, presented recently at the meeting of the Obesity Society in San Diego, noted that “overall, the contestants dropped from an average 49% body fat to 27%,” and “after 30 weeks, participants lost an average of 128 pounds; 81% was body fat and 19% was fat-free mass, mostly muscle.”

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