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In pernicious anaemia, the immune system mistakenly attacks stomach cells that produce intrinsic factor, leading to its deficiency

By rejuvenating and in some cases replacing damaged cells, organs, and tissues, pain and injury can be alleviated to a degree

Folate must be checked alongside B12, and folate deficiency should never be treated in isolation when B12 is low, because doing so can mask the anaemia while neurological damage progresses

When to seek urgent dental or medical care Seek prompt assessment if you experience: Sudden or unexplained metallic taste lasting more than two weeks Bleeding gums, swelling or persistent discomfort Severe dry mouth or difficulty swallowing Signs of oral thrush, such as white patches or burning Persistent bad breath with metallic taste Symptoms of infection, including fever Metallic taste combined with numbness, altered speech or facial weakness These may indicate underlying conditions requiring prompt treatment

Methyl B12 promotes methylation, which is a form of detoxification in the body