Here, the What is DIP Diet, which is called the Disciplined and Intelligent Person Diet, comes in. It is a natural dietary practice that focuses on plant foods, seasonal fruits, salads, and millets. The Disciplined Intelligent Person Diet does not require extreme restrictions. It is about consuming foods in the correct order, at the proper time, and in the correct proportion. Do you know when diet is wrong, and medicine is of no value? In a proper diet, there is no need for medicine.