The 12 vitamins play different roles depending on the type, and are essential for maintaining human metabolism, growth and development, and for sustaining human life activities.
The 12 vitamins include Vitamin A, Vitamin B1, B2, B4, B5, B6, B9, B12, Vitamin PP, Biotin, Inositol, Vitamin C, Vitamin D, Vitamin E and Vitamin K. The 12 vitamins are essential for the maintenance of human life.
Vitamin A maintains normal visual function and promotes immunoglobulin synthesis. Vitamin B1 is mainly involved in the synthesis and metabolism of coenzymes in the body, B2 prevents xerostomia, B4 promotes leukocyte proliferation, B5 makes antibodies, B6 is involved in a variety of metabolic reactions such as amino acid metabolism, and B9 is folic acid, which is involved in purine and pyrimidine synthesis and protein metabolism.
Vitamin B12 can promote the transfer of methyl, vitamin PP can participate in the body’s lipid metabolism, biotin is necessary for the synthesis of vitamin C, inositol can reduce cholesterol and promote the growth of healthy hair, vitamin C antioxidant, the treatment of scurvy, vitamin D anti rickets, vitamin E can be antioxidant, vitamin K can promote blood coagulation.
Vitamins should be taken with meals or they may not be absorbed, and different vitamins have different contraindications that should be noted before taking them. Although vitamins are good, they should not be taken in excess, and should be supplemented in reasonable and appropriate amounts under the guidance of a doctor.