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What is the preferred site for intramuscular (IM) vitamin B12 injections?
Vitamin B12 tablets (known as cyanocobalamin ) are also available and can be bought over the counter from pharmacies or health stores, but are not as effective as the injection for absorption
Cyanocobalamin represents the synthetic form most commonly used in supplements and compounded formulations
Available from: Johannsen P, Ostergaard K, Christensen JE, Worm M, Rasmussen K
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