Keyto is a breathalyzer for keto dieters

The keto diet is arguably the most popular fad diet at the moment, and it revolves around one big goal: eating few enough carbohydrates to enter ketosis. Dieters have traditionally evaluated their level of ketosis using a product called ketone test strips, but a new product aims to make those obsolete. Called Keyto, the device resembles a reusable straw and …