Although sauna suits may promise benefits such as weight loss and detoxification, these claims are not based on clinical research. Exercising in a sauna suit can have risks, such as hyperthermia and dehydration.

Do sweat vests help burn fat?

When wearing a sweat suit, you may well lose a lot of weight in a very short space of time, but this weight loss is simply water weight lost through sweat. This is not fat loss. Any weight loss results from wearing a sweat suit are temporary, and the weight will return once you are rehydrated.

Do sweat vests actually work?

You may actually lose weight, but the weight loss is due mostly to perspiration and will be replaced as soon as you drink a few glasses of water. ... But, the suits do not increase the number of calories burned; they simply just make you sweat a ton.