Keto Slim We all love carbohydrates. Pasta, bread, rice and potato are America favorite foods, to say the least. However, we all know that they contain ingredients that can lead to what we are most afraid of: being overweight. The problem with carbohydrates is that they cause the body to produce insulin. However, insulin turns carbohydrates into sugar, and whatever sugar we don't use right away gets stored in the body as fat.