Vitamin A is necessary for good health. Eat your carrots.
Vitamin C promotes healthy gums.
because without vitamin a we would not be healthy
That's not how it works. You need the proper amount of every vitamin in order to be healthy.
Vitamin A
yes it is
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