Bloods after supplementing

[dinkyoodle]

My question is .... If I am supplementing B12 (sublingual, not injections) and my serum/holo-T levels increase, does that mean supplements are effective? Assuming I have 2 week off supplements before the blood test? Or would bloods be skewed due to supplementing despite the 2weeks off?

I don't really know how to word what I'm asking in a simple way! I guess I mean, are those tests still reliable indications of b12 levels if I've been supplementing and have 2 weeks off beforehand?

Sorry if I'm not making sense!

IFAB just came back negative so I'm confident GP will not offer injections as he hasn't do so already. Thanks

[Nackapan]

Yes totally If symptoms okay abd blood levels show increased b12 levels then.

Bingo.

You are absorbing what you need.

It's when serum levels are rising bit symptoms persist. Not getting to cell level.

So false impression given.

Oh yes do not have b12 injections unless needed !!

My opinion

[KEFNB in reply to Nackapan]

Agreed, I just looked at some old labs of mine taken when I was paying out of pocket to see a Functional Medicine /MD for severe fatigue. My blood level of B12 was over 1,000 and my mean Corpuscular Volume was 107 (a classic sign of B12 deficiency) and doctor did not catch that i needed injections.

[dinkyoodle in reply to KEFNB]

Thanks 😃

[Nackapan in reply to KEFNB]

Out of interest is the range of MCV up to 97 within 'normal ' range ?

Gps do ignore what 'they' call borderline even if above the highest number just

I don't think mine waxs ever done ?

[dinkyoodle in reply to Nackapan]

Thanks 👍

[KEFNB]

In the USA it depends on the lab, I’ve seen 97 from LabCorp and 100 from quest.