NextGen Keto Reviews :A good candidate is a motivated person who wants to lose weight and keep it off, who is willing to make a keto diet a way of life and has the resources to do that. The few carbohydrates consumed as part of this Mediterranean-style keto diet come from fibrous vegetables, Roehl says — leafy greens, broccoli, cauliflower, peppers, for example. Pasta, cereal, sugar, and most starchy vegetables are off the menu. Consuming more than 50 grams of carbohydrates generally knocks the body out of ketosis, which may take two to four days to restore. Widely known for its low-carb regimen, the keto diet is undoubtedly one of the most popular diets today.