Pernicious Anaemia Society
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24hr MMA Urine Test Restrictions

Hello there,

I've got to do a 24hr urine test to check my MMA levels which I ordered from Medichecks.

The leaflet included with the kit didn't mention any diet restrictions but I was just wondering if there's anything I shouldn't eat or drink before or whilst doing it. For example is alcohol or caffeine okay? And is it just B12 supplements I should avoid or should I avoid Vit. C, D etc.?

Many thanks.

2 Replies

don't think any other vitamins should affect the test and not aware of any diet restrictions that would apply - but really it would be best to contact Medichecks and check with them.


Ive had mma via blood tests before and wasn't advised to avoid anything in particular, but was told to leave a few weeks after taking antibiotics as they can lower the was a private MMA test that finally enabled me to have injections...good luck :)


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