Do Waist Trainers Work with Exercise?

While some waist trainer proponents might suggest that you wear your trainer while you exercise, it's not a good idea. It can severely restrict movement. Plus, tissues and muscles need oxygen, especially during exercise.

Does waist training flatten your stomach?

Contrary to what celebrities say, waist training will not reduce belly fat, make you lose weight, or give you similar results to liposuction. ... Like many get-thin-quick schemes, there is no evidence that weight loss while waist training is due to the corset rather than calorie restriction and exercise.

Do waist trainers that make you sweat work?

Dr. Sophia Yen, co-founder of Pandia Health and professor at Stanford Univeristy with a clinical focus on obesity, agrees that abdominal sweatbands don't really work — at least not long term. "I think it would work temporarily, but it wouldn't work long term," Yen says. "Anytime anything's about sweat, it's temporary."