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Different diluents may vary in pH, ionic strength, preservative content, buffering capacity, osmolarity, dissolved gases, and trace impurities
doi: 10.1038/nrrheum.2009.184 141 NakkenBMuntheLAKonttinenYTSandbergAKSzekaneczZAlexPet al
Side Effects and Safety Considerations B12 injections are generally well-tolerated when administered appropriately
A thinner needle (higher gauge) causes less discomfort but draws medication more slowly, which is why many patients use a wider drawing needle and switch to a thinner needle before injecting
Cao C, et al
Those who exercise regularly several times a week will see faster recovery times, reduced muscle soreness and improved athletic performance
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