This article refers to human nutrition and diet. For plant based diets in the animal kingdom see, herbivore.
A variety of vegetarian food ingredients
Vegetarianism is the practice of a diet that excludes all animal flesh, including poultry, game, fish, shellfish or crustacea, and slaughter by-products.[1] The reasons for choosing vegetarianism may be related to morality, religion, culture, ethics, aesthetics, environment, society, economy, politics, taste, or health.
There are several variants of the diet, some of which also exclude eggs and/or some products produced from animal labor such as dairy products and eggs, fortified foods and dietary supplements. Clinical evidence