✔ 最佳答案
There are 13 essential vitamins. That means they are needed for the body to function. They are:
Vitamin A
Vitamin C
Vitamin D
Vitamin E
Vitamin K
Vitamin B1 (thiamine)
Vitamin B2 (riboflavin)
Vitamin B3 (niacin)
Pantothenic acid
Biotin
Vitamin B6
Vitamin B12
Folate (folic acid)
Vitamins are grouped into two categories:
Fat-soluble vitamins are stored in the body's fatty tissue.
Water-soluble vitamins must be used by the body right away. Any left over water-soluble vitamins leave the body through the urine.