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Understanding bioavailability explains why injectable doses are measured in milligrams while topical concentrations use percentages
Once your levels return to normal, you can usually switch to a B12 pill that you'll take for the rest of your life
Vitamin B12 and medicines Its easy to think of vitamins as harmless and just swallow or inject without much thought, but its always a good idea to read up on any supplement that you are thinking of taking
13, Sept
More on this: Vegan and vegetarian sources of B12 To diagnose a vitamin B12 deficiency, doctors A doctor may order blood tests if they suspect a person has a vitamin B12 deficiency, including a complete blood count and tests to check levels of B12 and folate in the blood
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