Vitamin C can really whiten skin, but it takes a long time to persist, and the effect may not be ideal. It consists of antibodies and collagen. Vitamin C can participate in the synthesis of fat and protein, and maintain human immune function. Hydroxylation and serotonin contained in it can maintain the integrity of blood vessels and promote the absorption of non-heme iron. In addition, vitamin C has anti-oxidation, anti-free radicals and prevents the formation of tyrosinase. However, it should be noted that vitamin C cannot be taken for a long time. After it is decomposed and metabolized in the body, the final product is oxalic acid. If you take it for a long time, you may have oxaluria and urinary calculi.

Vitamin C is an essential nutrient for human body. By oral administration, it is not only beneficial to supplement the vitamins needed by the human body, but also to promote the absorption of calcium by the human body. External use can promote the repair of damaged skin tissue and help reduce the formation of melanin, so it usually has whitening effect, but it needs long-term use, and the effect is mostly not obvious.

Usually pay attention to diet, give priority to diversification, and eat more foods rich in vitamins.

I want to buy vitamin C. The following is the brand of vitamin C I have eaten, and it feels good. You can refer to it They are natural vitamin C tablets of Yangshengtang, which are FA certified natural vitamin C and taste sweet and sour. NotLanxi Indian cherry vitamin C chewable tablets, its taste is the same as that of cherry stick stone, but its taste is very sour. Sisters who can't eat sour should buy carefully. There is also the natural vc of Jing Rui Caotang. In addition to the raw materials of West Indian cherry, yeast zinc was also added. It tastes sour and sweet, and a box meets the needs of the whole family. I feel that the price is quite high.