Supplement various vitamins and collagen.
Extended data:
Vitamin is a trace organic substance that people and animals must obtain from food in order to maintain normal physiological functions, and it plays an important role in the process of human growth, metabolism and development. Vitamins neither participate in the formation of human cells nor provide energy for the human body.
Vitamins are an organic compound necessary to maintain health. This kind of substance is neither the raw material of body tissue nor the source of energy in the body, but a kind of regulating substance, which plays an important role in substance metabolism. ?
Lack of rationality
1, the food supply is seriously insufficient and the intake is insufficient; Such as: single food, improper storage, cooking damage, etc. For example, folic acid is lost by heat.
2. Reduce absorption and utilization; For example, digestive system diseases or low fat intake affect the absorption of fat-soluble Vit.
3. The demand for vitamins is relatively high; Such as: pregnant women, lactating women, children, special posts, special environmental groups.
4. The unreasonable use of antibiotics will lead to the increase of vitamin demand.
Reference Baidu Encyclopedia: Vitamins