Yogurt is a food that contains Keto X Factor carbohydrates and also proteins that help in muscle building , so that the more muscle, the faster the basal metabolism accelerates. That is, you burn more while you rest. In addition, the vitamin D of yogurt reduces the level of cortisol in the body, which prevents the accumulation of fat in the abdomen due to stress. 14. Salmon One of the healthiest fish is salmon, which contains a lot of polyunsaturated fats, including omega 3 fatty acids . These favor the burning of fat. 15. Quinoa Quinoa, like oats, also contains a high amount of protein. These proteins have a high biological