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Due to the complicating factor of a shot and the extra cost, it seems the best route for most people is to focus on getting adequate B vitamins from food, and supplement as necessary.
injected, essentially all of it reaches circulation
In addition to these benefits, maintaining proper B12 levels can support heart health by helping to control homocysteinean amino acid linked to cardiovascular disease when elevated
You may also have B12 deficiency if you follow a strict vegan diet and aren't eating enough foods with B12
minimal side effects, which is what I was hoping for
People who don't get enough of the essential vitamin can experience nausea, fatigue, dizziness or depression among other symptoms
