You are not going to find something that is all in one!
I've never seen one myself.

This article explains Vit D and the testing:
http://www.annieappleseedproject.org/d3andos.html

The 50,000 IU your doctor gave you is D2, which is less effective than D3. Your level is pretty low.

You can try 4000IU of D3 daily for 2 to 3 months, and see if you test better.
This is what they are doing in Australia now:
http://www.abc.net.au/catalyst/stories/2514231.htm
watch the video!

Calcium is best taken separately. The increased D3 will improve its absorption. It is too large a dose to fit well into a mixed product. I use Maalox instant dissolve tablets from WalMart...very inexpensive and easy. One Maalox Multisymptom is 1000mg. And about $5.00 for a 100.

You can eat almonds, and beans to get your magnesium or take a supplement separately. Most mixtures have oxide in them and this is basically useless.
Find a magnesium you can afford, that is a chelate:
glycinate
gluconate
malate
taurate
lactate
citrate
or whatever. There is also SlowMag, and one of those twice a day would be the dose for it. They are delayed release.

There are some silica products made for tendons. Some of them have some magnesium in them, but it might be oxide.
example:
http://www.iherb.com/Now-Foods-Silic...blets/799?at=0
Silica is found in some foods, beer, green beans and bananas are high.

Multivitamins are for RDA maintenance only. It is difficult to fix anything with a multivit.

The Iron is best taken after you have your testing. It should be monitored by the doctor.
Shelley here, has been thru some complex anemia situations and has good information to share about that.
http://neurotalk.psychcentral.com/sh...hlight=Repliva
(Repliva was involved in the huge drug recall and may not be available right now).

If the Vit D does not improve your tendon issues, you will have to explore those. Why you are having this specific problem?
One cause is taking antibiotics from the fluoroquinolone family...Cipro or Levaquin or Avelox. Tendon issues can occur up to 1 YEAR after discontinuing them. The mechanism that weakens the tendons has not been discovered yet.