ACTIVE B12 TEST GIVING UP B12 SUPPLEMENTS - Thyroid UK

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ACTIVE B12 TEST GIVING UP B12 SUPPLEMENTS

DubStar profile image
DubStar
•2 Replies

Hi, 😊I am getting back on track with my NDT after a recent upset and have ordered a Medichecks Active B12 test as I have never had this tested.(My recent follate results were high but within normal range and I have read this may be a sign of problems with B12??) It says to stop B supplements for 2 weeks. Is it really necessary to stop? I am just getting back on track and don't want to upset anything else. I have been taking B multi for years and recently switched to Ignneus Bs. I understand it, it takes years to get B vits out of your system. I eat meat and eggs btw.

I know to stop biotin before any tests. How many days do people recommend for this? What's the minimum?

I have looked on here but am getting conflicting advice.

Thanks 😊

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IMPORTANT......If you are taking vitamin B complex, or any supplements containing biotin, remember to stop these 5-6 days before ALL BLOOD TESTS , as biotin can falsely affect test results

endocrinenews.endocrine.org...

In week before blood test, when you stop vitamin B complex, you might want to consider taking a separate folate supplement (eg Jarrow methyl folate 400mcg) and continue separate B12 if last test result serum B12 was below 500 or active B12 (private test) under 70

DubStar profile image
DubStar• in reply toSlowDragon

Many thanks for your reply.

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