Living at a fast pace, we have learned to resolve things quickly and to remove pain and symptoms by using various drugs. It is important to know that with all the proper treatment and drug therapy, diet and lifestyle changes play a crucial role in the course of a disease as well sa in the healing proccess. Many people take medication in order to lower their cholesterol level, while at the same time they do not apply any changes in their diet. Numerous metabolic diseases came about as a result of improper diet and lifestyle and it is essential to discern the cause of the problem in order to be able to administer the necessery treatment. It is necessary to completely modifiy our improper diet and turn it into a healthy one by implementing food that benefit this medical condition. Nutrition and supplementation in the treatment of diseases is also known as diet therapy (ie, diet therapy, diet). The faster our eating habits change and the use of diet therapy is applied the greater are the chances of preventing a variety of conditions, while keeping the disease under control. The diet therapy requires an individual approach. As far as meal planning in diet therapy is concerned the overall health of the organism as well as meals that person likes and prefers need to be taken into consideration so that the new diet could be more in line with the wishes, habits and needs of the individual.