All foods are made up of macronutrients – carbs, protein, and fat. While meat and most dairy mainly provide protein or fat, vegetables contain mostly carbs.
On a strict ketogenic diet, with fewer than 5% of calories from carbs, it’s important to know which veggies are the lowest in carbs, particularly if your goal is to consume fewer than 20 grams of carbs per day.
What vegetables can you have on a keto diet? There’s a simple rule:
Above-ground vegetables are generally lower in carbs and are usually the best keto options.
Below-ground vegetables — also known as root vegetables — contain more carbs and aren’t a great choice, especially potatoes and sweet potatoes.