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Description
To help bypass any barriers to absorption in the GI tract, many healthcare providers recommend B12 injections for deficiency, but research shows that very high doses of oral B12 (1,000 to 2,000 mcg once a day) can normalize serum B12 levels to a similar extent with minimal side effects
doi: 10.1084/jem.2017fta
Vitamin B12 Symptoms of vitamin B12 deficiency can be treated with vitamin B12 tablets or injections
What is Folic Acid
