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can u inject too much b12 Vitamin Deficiency: Causes, Symptoms, and Treatment Vitamin B12 Injections and Weight
Description
Vitamin B12 I have autoimmune hypothyroidism and Pernicious Anaemia

Alcohol deserves a mention as well
PMID 25189324

Prevention of Anaemia Anaemia caused by B12 deficiency, known as pernicious anaemia, can be debilitating

of Health and other interested parties are engaging with pharmaceutical companies and suggesting that they may want to investigate the possibility of developing a 1mg or 2mg tablet of B12 that could be prescribed by doctors to treat Pernicious Anaemia

Lyophilized (unreconstituted): Stable at room temperature for several weeks
