“Dieta” (dieting) is a practice that could be traced thousands of years back among the Shipibo people. The diet is made and expected to perform healing, learning on how to heal, learning about our world and even ourselves. The combination of Ayahuasca and the “plantas maestros” is the basis of the Shipibo’ shamanistic training. The practice has been under use for more than 2000 years, and up till the recent time, it is yet to be found wanting in the basin of Amazon. The teacher’s plants are those we referred to as master plants. This is linked to the function they perform in teaching us about the world, ourselves and even the world that hosts the spirits. Of much importance to the Shipibo medical practice of shamanism is the talk around being spirits, teachers, and doctors. These plants carry potent capacity and powerful spirit that arouse total desire to working and learning and drawing from the elders’ wealth of knowledge in the course of the dieting process. During the period when this dieting of the master plants is still going there are some things, we abstain from such as sugars, oils, salts, pork, red meat, process foods, medications, masturbation, sex, drugs, and spices. The dieta process, however, is more complex and highly magical that just the restriction of meals which is just one out of many important aspects of the dieta process. Moreover, in the course, we maintain a simple but rich meal which permits us to take food like grains, legumes; vegetables; chicken; meat plantains and banana; fruits and fish. This we do twice a day.