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For an intramuscular shot that goes deep into the muscle (like in the arm or buttocks), a longer, slightly thicker needle is needed to reach the target
We advise readers who purchase our B12 product to inject SQ, because IM shots can be painful and may discourage self-injection
A good rule of thumb is to choose a new spot for each injection, staying at least two inches away from your last one
Back of the upper arm
The Outer Thigh (Vastus Lateralis Muscle) Another excellent option is the outer thigh
Both injection types are far more effective at raising B12 levels than oral supplements, but the best method really depends on your individual needs
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