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For some people, the best way to achieve this is by using an oral B12 supplement
For instance, many people note a quick boost in energy levels shortly after receiving a B12 injection
Ive also suffered an outbreak of acne following a course of 6 injections of B12 over 2 weeks
In contrast, cyanocobalamin, a synthetic form of B12, must be converted into Methylcobalamin or adenosylcobalamin in the body before it can be used
Thats because the body lacks the vitamin needed to produce adequate amounts of red blood cells
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