Some heroes don't wear capes; instead, they wear athleisure clothing and help people get into their fittest and healthiest selves.
Advertisement"The Biggest Loser" ran for over a decade and featured overweight to obese contestants who competed to lose weight on national television.
While the show monetized on the concept of heavy people shedding pounds through diet and exercise, the contestants were able to gain strength and better their health on the show.
The heroes who helped the show's contenders get fit are still remembered as fitness icons and personal trainers. Here's a look at their lives after the show ended.
JILLIAN MICHAELS
Personal trainer and fitness icon Jillian Michaels is this month's Women's Health cover star. Since the show ended, the fitness guru has appeared on television and published a New York Times-bestselling book.