B vitamins - functional blood profile

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Test Details for Ordering
Test B vitamins - functional blood profile
Laboratory TDL
Price £89.50
Sample required blood
To order this test, please, go to Ordering Tests.

Please, make sure you have read When not to use this website to ascertain whether having this test is an appropriate and safe course of action for you.


This test measures levels of vitamins B1, B2 and B6.

These are common deficiencies and I do not often do this test because I recommend taking B vitamins routinely. However some people do not believe me and want to do the test anyway. It is a good way of persuading people to take supplements regularly!


Blood - Venous sample- not available as a tiny test.


Bottles are either 2 x lavender OR 1 x green top.

The kit for this test includes blood tubes, as above, packaging materials for transporting the blood sample in the post, a request form and a pre-paid envelope. This will come direct from TDL.


  • Special instructions are protect from light.
  • Make arrangements to have a blood sample taken
  • Make sure that your name and date of birth are correct on the blood tube
  • Make sure all the necessary details are correct on the laboratory request form.
  • Post the samples in the packaging provided making sure that the laboratory request form is enclosed with the samples.

Please, note that there is an interpretation fee for my letter to your GP. See Ordering Tests for more details.