Nutrition is an essential aspect of every individual's life and it reflects not only on their physical appearance but also on their mental health and overall quality of life. There has been noticed an increase in the number of people transitioning to diets that exclude meat and animal products for eather health, ethical, environmental, or other reasons. This paper provides insights into various meatless diets and describes their composition. Critical macro and micro nutrients necessary for optimal human functioning are presented. The research explores whether excluding animal products can achieve sufficient intake of all essential nutrients. As people change their dietary habits, they often turn to supplements. The paper introduces the necessary supplementation for deficient nutrients. Nutrition, in synergy with physical activity, impacts the quality of life. The perception of quality of life is crucial for individuals. Health is one of the primary factors influencing the quality of life. Changing dietary habits positively affects numerous physical health conditions, including the prevention of chronic diseases and cancer, as well as mental health conditions, including different types of depression manifestation. Oveall plant based nutrition enhances person's well-being and their functioning in their professional and social environment.