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Learn more about what causes vitamin B12 deficiency
These numbers are even more significant for non-Hispanic black women, with 23% having inadequate total intakes, compared to 13% for non-Hispanic white women.1 As mentioned previously, MTHFR is an enzyme that is involved in the metabolism of folate
Doses as high as 2 mg (2,000 g) daily by mouth or 1 mg monthly by intramuscular (IM) injection have been used to treat pernicious anemia without significant side effects (136)
By fueling neurotransmitter synthesis, B12 enhances mental clarity and mood balance, reducing stress and improving focus
Many people with malabsorption issues or pernicious anemia receive these shots for their entire lives
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