Known for a wide range of modes of action, plant-based feed additives are a promising solution for both conventional and antibiotic-free livestock production systems. As antibiotic-free feeding programs receive increased attention among scientists, nutritionists, feed manufacturers and farmers, phytogenic feed additives are moving further into the spotlight due to their holistic and broad-spectrum efficacy. In particular, phytogenic feed additives show enormous potential for their proven impact on performance, sustainability, feed and food