MARYLAND HEIGHTS, MO (KTVI - FOX2now.com) - Vitamins and dietary supplements are a $20 billion industry. About half of all adults Americans take a daily multi-vitamin, but do they really do any good? Dr. Gayathri Raman with the St. Louis Medical Clinic talked more about what you as well as your child should be getting daily.

Vitamins kids need:

vitamin A-needed for eye sight

iron-usually deficient, needed to build strong muscles and blood

calcium -needed

vitamin D-needed

B-complexes-needed

Fluoride-if you don't get water.

Vitamins adults need:

vitamin D

zinc

magnesium

thyroid complex

vitamin B complexes