Of all animal products, the most controversial is the consumption of meat and its role in human nutrition. Eating meat has been a sign of prosperity and high social status for centuries. Thanks to its high protein content with an amino acid profile that is beneficial to the human body, meat, such as milk and eggs, plays an important role in the food economy. Global economic development leads to an increase in the prosperity of societies and an increase in the demand for food, including meat. The need to meet the demand for protein of animal origin is a factor driving the intensification of animal production, which in turn leads to increased environmental pressure. Unsustainable meat consumption also raises ethical questions.