b12 injection and covid-19 vaccine Injections Vitamin B12 Injections | Basingstoke
Description
Acute symptoms such as fatigue may improve relatively quickly, whereas neurological symptoms like paraesthesia (pins and needles) or cognitive difficulties typically require longer treatment courses

Mohan M, Weinhold N, Schinke C, et al

Injections : 1,000 mcg IM weekly or monthly depending on need [*]

The haematologist's article is really good, as is the stuff on anaemia

How Should You Find Out If You Have a Vitamin B12 Deficiency
