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Description
Your body stores between 1-5 mg of vitamin B12, so it might take years before deficiency symptoms show up [10]

There are few details about its potential side effects

By supporting liver function, it also assists in fat metabolism

propose a diagnostic pathway for patients suspected of having AIG, which we would recommend to guide the diagnosis of both PA and AIG [19]

He says it's down to funding - to get a product from animal studies to human trials and to a fully licensed medicine takes years and billions of dollars

B12 supports the immune system, helping you stay healthy year-round
