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"Dietary Supplement Fact Sheet: Vitamin B12"

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B12 vitamin shots offer a powerful solution for those struggling with deficiency, providing numerous benefits from increased energy to improved mood and cognitive function

19 Early studies: There were studies in the 1950s and the1960s that showed that oral vitamin B 12 could be absorbed by patients with pernicious anemia and could lead to resolution of the anemia

If low levels of B 12 remain for a long time, the condition also can lead to irreversible damage to nerve cells, which can cause the following symptoms: numbness and tingling in the hands and feet difficulty walking muscle weakness irritability memory loss dementia depression psychosis