I think it depends whether you are B12 deficient because you have a poor dietary intake, or whether you just don't absorb the stuff. If you don't have B12 in your diet, then a tablet form will clearly help. If you don't absorb B12, then a really high oral dose might possibly trickle a tiny bit into your system, but may do nothing at all. Do you know why your B12 is low?
Some people on here use sublingual tablets or sprays to top up their B12 between shots and find it helpful. Some don't find it helps. May be worth a try?
As far as I'm aware, we only pee out what we can't use, so you drinking and urinating a lot shouldn't make a difference.
Thank you for your reply. They’re not sure what’s causing it, all of my investigations came back as ‘normal’ and they tried to tell me its dietary- which I don’t agree with as I eat a high b12 diet. I did think this, especially as the tablets are quite expensive. I will give the spray a try
Also I tend to drink a lot of water as I suffer from low B12, could this have an effect on your levels if you’re frequently urinating?
What do you mean by "a lot of water"? Drinking water in large excess can be extremely damaging. Also, not clear why you seem to say you drink that lot of water because of low B12?
My comment about amount of water requires some more information (I am not in any way qualified or able to make any assessment of your intake and needs). Hence a warning article about people who definitely consumed too much:
Thank you Helvella, that article was helpful when I visited the doctor recently (feeling lightheaded, fatigued and weak) he tried to tell me I was dehydrated, even tho I told him my current intake...he seems to be completely unaware of the neurological symptoms of B12, as the list is exactly how I feel
One of the first symptoms I had was chewing ice constantly. And I mean constantly. if you have PA then you probably have low iron. Red blood cells do not mature with low B12, thus they do not carry oxygen well or contain the iron you need. I also had spells where I felt like I couldn't get enough air in my lunges. Kind of like needing to yawn all the time. It has been long known people with low iron crave water. Once I got on b12, I stopped chewing ice.
Hi Susan! Oh wow that makes sense, I’m always thirsty. They’ve not diagnosed me with PA but from my research on here I’m sure that’s what it is my ferritin is taking a long time to rise, started on 14 and now on 50 10 months later
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