Answer: Sweet potatoes are not keto, as they're too high in carbs.
Like most root vegetables, sweet potatoes are highly starchy, which means they're very heavy in carbs. A 1-cup serving of sweet potatoes contains 22.8 g of net carbs. That's high enough in itself to kick most people out of ketosis.
Serving size: 1 cup, cubes
|Net carbs||22.8 g|
|Total carbs||26.8 g|