Gut health is vital in animal feeding as it directly impacts nutrient absorption, immune function, and overall growth performance. A healthy gut ensures efficient digestion, reduces the risk of infections, and promotes optimal feed conversion, leading to better productivity and animal welfare. Feed additives like probiotics, prebiotics, enzymes, and organic acids improve gut health by balancing the microbiota, enhancing nutrient breakdown, and maintaining gut integrity. Probiotics introduce beneficial bacteria, while prebiotics provide nutrients that support their growth. Enzymes aid in digesting complex feed components, and organic acids lower gut pH to inhibit harmful microbes. Together, these additives create a robust digestive system, essential for efficient and sustainable livestock production.