it depends on what mental or non-mental disorders or diseases you have but if it's a normal person the answer would be....
Vitamin C! Duh!
Magnesium is a chemical element, not a vitamin; it is very important for the life.
The main vitamin in retinol is vitamin A. Vitamin A is important in a persons life as it helps with eyesight as well it is necessary in order for a fetus to develop. Creams containing retinol are used to treat persons with acne.
Erikson
is ontrol and coordination important than cognitive stage of learning because thay ar important in our life
Start smt new or important
zygote
In real life, all vitamins are equally important to receive in a balanced manner. On Howrse, I'm told the answer is Vitamin A
You do not use it consciously, but your body uses it (from sunlight) to generate vitamin D.
The most important years of your life are all of them. Every year brings something new and special. Every year of your life should be lived to the fullest.
mother is important in every life of a child thats why
every subject is important
Lead is not a vitamin.