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).
vitamin B is the healthiset because of its close relation that it has to dietary fiber
Vitamin A is great for the vision for your eyes, and also it can improve your skin.
Vitamin D and Calcium