b12 injections to raise white blood cell count dosage Vitamin and Frequency Vitamin B12 Deficiency - Harvard

For many individuals, diet and oral supplementation are sufficient

Alcohol, even in small quantities irritates the lining of the stomach and intestines, which are responsible for absorbing nutrients like B12

In more severe cases, low B12 can lead to significant problems with thinking, reasoning, or judgment

While research agrees that every human needs it, the different forms and how the body puts it to use means that its not always simple to make sure you are getting what you need

However, more research is needed to understand the mechanisms underlying Nano ZT/Vit B12s anti-rheumatic action

Then the highest dose of oral B12 the NHS would prescribe is 1mg cyancobalamin a day & someone with pernicious anaemia would at best absorb about 1% of that via passive diffusion although it would be interesting to know what effect 100 mg oral B12 would have and I think there is a obvious conflict of interest for GPs to free up nurses than to ask questions like this or properly get feedback from their patents bmj.com/content/365/bmj.l18