The main component of grape seed extract is anthocyanin, which is a new and highly efficient natural antioxidant extracted from grape seeds that cannot be synthesized in the human body. It is one of the most efficient antioxidants from plant sources discovered so far. In vivo and in vitro experiments have shown that the antioxidant effect of grape seed extract is 50 times stronger than vitamin E and 20 times stronger than vitamin C. It can effectively eliminate excess free radicals in the human body, and has a super strong effect on delaying aging and enhancing immunity. It is known that the main effects include anti-inflammatory, antihistamine, anti allergic, anti allergenic, antioxidant, anti fatigue, enhancing physical fitness, improving sub-health status, delaying aging, improving irritability, dizziness, fatigue, and fatigue. Symptoms of memory loss, beauty, and promotion of blood circulation.