New Vitamin D Study

A new study seeks to compare vitamin D blood test results of two different labs.

New Vitamin D study from the Vitamin D Council:

We seek to compare vitamin D blood test results of two different labs: Quest and LabCorp. We are willing to pay your costs, up to $100, once we get copies of both tests results,  drawn on the same day,  and your receipts. To participate,  you need to find a doctor or clinic in your area that uses Quest and call your doctor and arrange for a 25-hydroxy-vitamin D blood test done by Quest. This will cost anywhere from $50 to $150 dollars. In the meantime,  you will need to arrange to have your blood tested by LabCorp the same day. Thus, you will be having your blood drawn twice on the same day,  one sample sent to Quest and the other sample sent to LabCorp. The easiest and cheapest way to arrange for the LabCorp test is through Life Extension Foundation: call 1-800-544-4440 and let the operator know you are ordering this test in conjunction with the Vitamin D Council study. The price will be $35.25 for the LabCorp 25(OH)D test through Life Extension.
John Cannell,  MD, 1241 Johnson Ave.,  #134, San Luis Obispo,  CA 93401

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