Vitamin A is necessary for good health. Eat your carrots.
Vitamin C promotes healthy gums.
because without vitamin a we would not be healthy
Vitamin A
yes it is
That's not how it works. You need the proper amount of every vitamin in order to be healthy.
Several vitamins help to maintain healthy skin, bones, and eyes. These include vitamin D, vitamin E, and vitamin A along with niacin.
Calcium
E
If you have a healthy, balanced diet which includes a healthy assortment of vegetables, grains etc., you will not need vitamin A from other sources (pills, drops, capsules etc).
It doesnt matter cause you can get vitamin D from the sun.
Vitamin D and Calcium
vitamin B is the healthiset because of its close relation that it has to dietary fiber