Black pepper oil can improve blood circulation, effectively alleviate muscle pain, fatigue, limb soreness, and muscle stiffness, stimulate the mind, enhance nerve function, heart strength, and endurance, and also help restore bruised skin. It is used to blend meat, seafood, and spicy flavors. GB2760-1996: Permitted food flavoring and seasoning, mainly used in sausages, soups, sauces, canned meats, and sweet wines.