The right kind of fat can help you lose weight. While too much of saturated fats found in highly processed meat and trans fat in cakes and cookies can make you gain weight some amount of monounsaturated fats can be healthy. Monounsaturated fatty acids found in avocados walnuts hazelnuts almonds cashews sesame seeds and olive oil can help you burn fat. Nuts can be very effective for reducing belly fat but make sure that you consume them in moderation. Besides these monounsaturated fats have numerous health benefits and can help reduce bad cholesterol and prevent obesity diabetes and heart disease.