Acetyltaurine is a multifunctional food additive primarily used in energy drinks, sports nutrition products, and functional foods. It helps delay fat oxidation to enhance food stability while exhibiting antioxidant properties that protect food components from free radical damage. Additionally, it regulates cellular osmotic pressure to maintain hydration balance and improves food texture and quality. This compound is particularly suitable for incorporation into beverages, dairy products, and healthy snacks, serving dual purposes of nutritional supplementation and functional enhancement.