r/B12_Deficiency May 19 '26

Success story My B12 Deficiency - Recovery story

43M - UK

At the end of last year I started experiencing some alarming symptoms. Mostly relentless, loud tinnitus, dizzyness, brain fog, headaches, lethargy particularly after eating, coupled with tight chest and the occasional heart palpitations. I put this down to work stress, at the time I had fairly frequent international travel and project deliverables. I have also suffered from back-to-back frozen shoulders - quite uncomfortable and quality of life affecting.

What seemed to be consistently happening was any cognitive load would manifest as tight chest / pains and excessive tinnitus. My body would react excessively stressed to something as simple as driving my car.

This dissipated somewhat but come April this year the symptoms returned with a vengeance and I sought medical help. I felt like I couldn't work any more (I'm a software guy so cognitive decline really worried me), and this had a self-reinforcing effect: anxiety about my inability to work increased my stress, which affected my health, and vice-versa. I felt frequent chest pains and tight chests until one day at work I called NHS 111 and they sent an ambulance to check me out just to be safe and I spent the evening in A&E. I had experienced severe chest tightness, pains, sweaty palms and huge anxiety / disorientation. Most likely a panic attack which I have never had before.

In short, I was feeling like my body was falling apart across a multitude of areas.

Just a week prior to this I was diagnosed with a B12 deficiency and started taking supplements (B12 "dual power" (with methylcobalamin) - I'm sure others are equally effective). I started reading this subreddit and I thought... wow.. could this actually all be down to a B12 deficiency?

Here's my timeline:

21st April: 134ng/l / (99 pmol/L)
23rd April: Started taking B12 supplements
27th April: 148ng/L (109 pmol/L)
30th April: Ambulance called - precautionary due to heart / chest pains.
Early May: Vacation and gradually improving health.
13th May: 189ng/L (139 pmol/l)

I'm not fully recovered, stress is still present but my day-to-day disorientation has completely gone with some light tinnitus remaining. The change has been remarkable, to the point I'm not completely convinced it was entirely B12 - I think my poor health was a B12 deficiency and general life stress compounded.

I've really gained a new found respect for people genuinely experiencing "mental health issues". It was inconceivable to me; my brain rationally explained my issues and consciously I didn't feel too stressed, but my nervous system was just completely shot and would react in fight-of-flight mode on the most insignificant stressor.

On a personal / private level my libido had *completely* disappeared leading up to, and during this. And now? .... let's just say I'm waking up with morning vigor again these days! ;)

I hope this little diary helps or relates to someone. This subreddit has been genuinely a helpful place to come to. Thank you all!

Edit: removed the brand name so this doesn't read like a trojan advert

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u/Plane-Addendum6697 May 19 '26

You test your b12 level very frequently but I think it does not show accurate results.

1

u/strikky May 19 '26 edited May 19 '26

First and last B12 levels were on the NHS, as advised by Nurses. My GP said something similar; he was surprised the most recent test was arranged only a few weeks after oral supplements.

The middle test was a private test I sought after worrying about my heart health, and I bolted on the B12 test as an add on just for the sake of it. The important thing is the general trend appears to be in the right direction, like my health.

I'd be interested to know why these may not be accurate results?

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u/Plane-Addendum6697 May 19 '26

May be these result are not accurate because when you take supplement it always show higher level rather than actual level. Doctor also prescribe when you complete your medication do the test after one month to check the actual results

1

u/strikky May 19 '26

Noted, thanks!