To cleanse your body, drink enough water to flush out toxins and stay hydrated. Also consider detoxing with juices or smoothies, these cleanse the body but bring a consistent supply of vitamins, fibers and minerals. Consume a diet abundant in fruits, vegetables, and whole grains for fiber and antioxidants. Engage in regular physical activity to support natural detoxification processes. Avoid alcohol and smoking, processed foods, and sugary drinks that can strain the liver and kidneys.