Source Naturals Life Force Multiple wins most comparisons. It uses the most bioavailable forms of many vitamins and minerals. It's a pretty good value.
Why not go to a dietician, give them a hair sample, and determine what you actually require based on the results? You can fake symptoms and get insurance to pay for extensive bloodwork panel. D levels, z zinc, vitamin B, the list goes on.
Just research symptoms of specific vitamin deficiencies. Many health care providers will play along. Insurance companies are 99% profit. That's better than any other business! I don't think covering a couple thousand bucks to improve your health is a big deal.