To stay fit and to have a perfect health until later years, you must start with the preventive treatment of all systems. Because we live in such an environment where contamination, radiation, abnormal eating habits, addictions and stress effectively destroy even the most resistant organism. As it turns out we are unable to eliminate some of the negative factors from our life. In this case, emphasis on improving diet, learning relaxation techniques, as well as a properly chosen supplements might be the antidote. Cyclic strengthen of the digestive, nervous, muscles, immune and blood system may be the key to success.