I've been injecting several times a week since August last year and still continue to see improvement. I feel better than I have done for at least 10 years. I think that speaks for itself. Frequent injections, some weeks every day, and it appears to have had only good effects
It is true that overdosing is not really an issue (make sure you are getting enough potassium though). I ended up with a high strength version of B12 where I was getting 5000mcg injections every week for months and I had no ill effects from it.
Pardon the pun but you might as well give it a shot. If an additional dose helps relieve the symptoms, that's great.
I will say that there is a level of repletion where more doesn't really make any noticeable difference. Hopefully a bit more will help you, but there is a possibility that it won't have any effect.
To put things into context. If you had a house fire and inhaled fumes from burning live electric cables the ambulance service would treat you for cyanide poisoning.
They would give you 10000000 micrograms or hydroxycobalamin intravenously.
That's two 5g doses over 15 minutes.
The nurse at the surgery will usually give you one 1000 micro gram dose.
Some of us get really awful skin conditions and agitation from too much. But you can monitor yourself. I tend to err on the side of treating to symptoms.
B12 starts up the body's detoxification processes that may of been on hold if you've been deficient.
If it can't get rid of toxins quick enough the body directs them towards the skin where it's safely away from important things until it can deal with them.
The same happens with bilirubin and you get jaundice. The skin is a lovely large organ that can cope well with things being thrown at it.
The unfortunate result being a rash/acne in the case of b12 when it's working.
This does usually clear up in time.
Interestingly they've just developed a vaccine against acne and reported it today in the news. It's not specifically b12 acne but it targets the bacteria that causes it without actual killing the bacteria because it does good too in the body.
Bacteria do lots of good things for human beings. (The right ones if they're in the right place)
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