You should try getting your vitamins/supplements from NATURAL sources not synthetic vitamins.

Cod Liver Oil [Vit A + D]
Sodium Ascorbate [Vit C]
Cayenne[Helps with circulation]
Raw Milk is the best source of calcium.
Acidophilus[Probiotic]
Use google or for more information and ideas.

EDIT -
What are you talking about?
Cod Liver Oil is the highest source of Vit D and A. It is much more than what the FDA considers an 'optimal dose' and MUCH higher than ANY vitamin.[Infact you can OD on synthetic Vit A]
Same with Sodium Ascorbate. Sodium Ascorbate is the form of vitamin C used in hospitals to give VERY large doses through IV.

You need to do MUCH more research.

Health is seldom improved with multivitamins; you will get all you need from a diet that includes 5-10 servings of fruit and veggies every day. Spend that $45 at the produce counter.

Want good quality vitamins at great cost (bulk buys are even cheaper ) and US shipping is FREE. go to the following link, if you can't find it contact them and they will help- great customer service