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The question most people are really asking is simple: does B12 give you energy
An intramuscular injection is absorbed faster because the muscle tissue has more blood supply
How Long Does It Take Vitamin B12 Injections to Work
If your blood test results show that you indeed do have a vitamin B12 deficiency, a few things will need to be changed, our providers will then customize a specific treatment plan for you tailored to the goals and needs necessary to provide sufficient vitamin B12
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