Position papers explaining that both vegetarian and vegan diets are appropriate for all stages of the life cycle, including pregnancy, lactation, infancy, childhood, adolescence, older adulthood, and for athletes.

British Dietetic Association affirms that a well-planned vegan diet can support healthy living in people of all ages. Further, BDA explains that a well-planned, completely plant-based, or vegan, diet in UK would need just one third of the fertile land, fresh water and energy of the typical British 'meat-and-dairy' based diet.