Vitamin D test results can be easily off by 20 nanogram/ml
When comparing your vitamin D test results to those from a different machine/lab:
Place only some trust in the most significant digit.
Example 34.9 ==> 3x.x Could easily be 2x.x, 4x.x and even little as 1x.x
See at Vitamin D Life
CLICK HERE for the latest report: Jan 2012
- All items in category Vitamin D testing 44 items as of Jan 2012
- Vitamin D tests had poor agreement – yet again – April 2011
- Panel Discussion on Vitamin D and Tests - 2011
- Quick self test of vitamin D deficiency just press your bones (drawings follow)