--Citrus fruits and berries. Diets rich in citrus fruits provide minimal carbohydrates. These fruits include raspberries, blackberries, cranberries, and to some extent strawberries and blue berries. A small amount of lime, lemon, or sweet lime can also be included. These fruits help promote bowel movement and thereby detoxification. They eliminate toxins or undigested matter from the body. Citrus fruits and berries cleanse the blood and reinforce cardiovascular system. This promotes heart health as well. These fruits aid in removing bad cholesterol and improving digestion and appetite, thereby leading to healthy weight loss.