Company claims caffeine-laced pants aid in weight loss

Lytess lines their pants with caffeine patches and shea butter. Their reasoning goes that caffeine increases people's metabolism and that can lead to weight loss.

Dietary experts say they aren't convinced because the amount of caffeine would have to be massive. Plus, according to federal regulations, the company doesn't have to prove the compounds in weight loss patches are actually absorbed into the body.

The leggings sell for $69.95 on the company's website and are currently sold out.

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