The usual role of vitamin C is as follows. 1, improve the immunity of the human body, can enhance the body’s resistance to disease and resistance. 2, effectively involved in the synthesis of collagen, is an endogenous protein synthesis in the body belongs to the necessary substances. 3, has a certain antioxidant effect, so has a whitening skin, reduce oxygen free radicals on the skin emolliency whitening, antioxidant have a certain role. 4, involved in It has a certain function of detoxification and liver protection, and also has a certain effect of cancer prevention and anti-cancer.