A plant based diet is essentially a vegetarian diet. This means replacing animal meats with plant based foods instead. Many people who follow such a diet do so based on ethical, environmental, religious, health or economic concerns. As a result, there are a number of plant based diets, some of which may include animal produce. In general, there are many reasons why people go on a plant-based diet. In this guide, we'll take a look at everything you need to know to get yourself started.