Vitamins are a class of low-molecular compounds necessary for the body to maintain normal metabolism and function, and are one of the indispensable substances for human growth and development. Properly taken can prevent and treat diseases. Blind supplementation and excessive intake can cause serious adverse reactions.
There are at least 60 known vitamins, but so far there are only 14 vitamins recognized in the world. They are divided into two types: water-soluble vitamins and fat-soluble vitamins. Common water-soluble vitamins are: B vitamins, vitamin C, niacin and folicacid, etc., fat-soluble vitamins include: vitamin A, vitamin D, vitamin E, vitamin K. Vitamin preparations are divided into medical vitamins and health-care vitamins.
Medical vitamins are usually a single preparation, with poor taste, and some even have unpleasant odors, such as vitamin B2, and are relatively inexpensive, and are used more clinically.
Health-care vitamins are generally compound preparations, containing a variety of vitamins and minerals, with good taste and bright color, and some can also be made into effervescent preparations, which have an effervescent effect when placed in water,which is very cool feel.
