The transition to veganism is controversial not only in the public, but also in scientific circles and social institutions. Despite the paucity of existing information on the topic of the influence of vegan nutrition on human life, the scientific research presented by prominent world scientists in this book confirms not only the expediency, but also the moral validity of this choice. The administration of the liters website is not responsible for the information provided. Regarding recommendations, there may be medical contraindications; consultation with a specialist is necessary.