Nutrition Action Health Letter did a segment on choosing the best multivitamin. Regulations change annually for types and quantities of vitamins needed. The most recent study and reported in the January/February 1003 issue noted the following multivitamins as their top choices (only includes a few from each category):
Premenopausal women (W)
Postmenopausal women (W+)
Men (M)

M, W+ CVS Daily Multiple 50 Plus - 20mcg K, 0 iron
M, W+ Eckerd Therapeutic M - 28mcg K, 9mg iron
M, W+ Eckerd Vitamin A Day 50+ - 20mcg K, 0 iron
M, W+ Eckerd Vitab - 80mcg K, 9mg iron
M, W+ Healthy Ideas Therapeutic M - 28mcg K, 9mg iron
M, W+ Kroger Thera Plus 28mcg K, 9mg iron

W Rite Aid Whole Source 80mcg K, 18mg iron
W Sav-on One Choice 80mcg K, 18mg iron
W Natrol My Favorite Multiple Complete Care 40mcg K, 18mg iron
W Kroger Complete Extra - 80mcg K, 18mg iron