I tried the ketogenic diet with help from a gadget that tracks your progress — here's what happened

10:00 AM ET Sat, 22 Dec 2018

Ketogenic diets are exploding in popularity, particularly for those who want to get increased energy while losing weight. CNBC's Chrissy Farr tries it out, with the help of a new device called Keyto that tells the user if they are in ketosis.