Some products marketed as 'keto' contain added sugar, leading to significant glycemic spikes.

“And then another really big surprise was like a lot of these like cauliflower rice, you know, like I was traveling on part of this, you know, where I was on a ketogenic diet, and so I would like order food that was like this is keto and you get something that says keto. And I'm like, "This is not keto at all." I'm like, "It's like spiking me so high." And then you like track down the ingredients, and it's like sugar. And I'm like, "Really? You're calling this keto but you actually have added sugar in it."”