Celebrity fitness guru Jillian Michaels is speaking out against a promising new obesity medication, saying that lifestyle changes are a better method of weight loss with fewer side effects.

Weight-loss medications like semaglutide have skyrocketed ... according to the celebrity personal trainer Jillian Michaels. The medications shouldn't replace healthy habits like good nutrition ...

Michaels, 49 ... she was coming clean last month about using weight loss drugs as she was 'done with the shaming' after losing more than 40lbs Jillian Michaels has claimed Oprah Winfrey has ...