If you want to protect your colon from certain threats or sickness that it may encounter in the future, I suggest you start working on your diet. Pick out natural and clean food. Eat fresh fruits and vegetables. Avoid taking in too much meat and other unhealthy dishes. I also recommend that you take colon cleansers. These products will definitely help in sweeping out the harmful elements in your colon. There are lots of good colon cleansers in the market but I suggest that you take some time to checkout some colon cleanser reviews to help you pick the best product.