do I need to stop Biotin containing supplements before a Blue Horizon iron status profile test?

[london81]

I am testing my iron after very low ferritin results on a thyroid plus vitamins test ( I am seeing a Dr at private online clinic from the Thyroid UK list)

In the past II had normal/high iron, so before I supplement I want to check all the iron indicators

my question is: do I need to stop my b complex 7 days before Iron tests, as I do with my thryroid tests ?

This is the test i am doing in case it is useful: bluehorizonbloodtests.co.uk...

Thanks in advance

[SlowDragon Administrator]

you could ask Blue Horizon

Biotin is used in lots of different tests

If you do need to stop B complex take a separate B12 and methyl folate instead that week

[london81 in reply to SlowDragon]

good idea thank you

[ReallyWondering]

Biotin should be stopped at least a week prior to any thyroid tests. It interferes with the results.

[london81 in reply to ReallyWondering]

thank you however I’m not testing thyroid only iron. I wasn’t sure if same rules apply

[helvella Administrator]

In general, you can't know without asking, I'm afraid. Obviously, you might be able to identify the manufacturer and check their information, but you are likely to hit a brick wall at some point.

helvella - Biotin supplementation and testing

A short article about how and why biotin can affect blood tests. Includes information about how to avoid any problems.

helvella.blogspot.com/p/hel...

[london81 in reply to helvella]

thank you I’ve taken the precaution of stopping for 7 days anyway as I need to take the test on 2 January and they are closed over Xmas