The full name of Vitamin Injection is Water-soluble Vitamins for Injection, which has the function of replenishing various water-soluble vitamins in the human body. Water-soluble vitamins for injection is a compound preparation composed of a variety of water-soluble vitamins, water-soluble vitamins are also nutrients needed by the human body, so the main function is to supplement the human body with a variety of water-soluble vitamins, which is part of parenteral nutrition. Water-soluble vitamin injections include vitamin C, vitamin B₁, niacinamide, riboflavin, sodium phosphate and so on. Water-soluble vitamins are vitamins that can be dissolved in water and can promote collagen synthesis and iron absorption. Clinically, it is mainly used to supplement vitamins in human body. It is non-toxic and has no obvious adverse reactions. However, it should be noted that people with allergies may have allergic reactions and should be used with caution. This product is usually used in hospitals by medical professionals.