Hello, vitamin C and vitamin E are generally health products, such as Yangshengtang. Vitamin C can actually buy a bottle of 2 yuan money sold by pharmacies. Like healthy people, it is to supplement, not to treat deficiency. There are more than 12 kinds of B vitamins, and 9 kinds of vitamins are recognized as essential for human body, all of which are water-soluble vitamins. They only stay in the body for a few hours and must be replenished every day. B group is an essential nutrient for all human tissues and the key to the release of energy from food. They are all coenzymes, which participate in the metabolism of sugar, protein and fat in the body, so they belong to one family. Generally speaking, we use vitamin B to fight fatigue. For some people who are prone to fatigue, vitamin B is necessary. There are 10 vitamins in human body, which are very important and indispensable, but vitamin ABCDE is what we often pay attention to.