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The air replacement technique When you draw solution out of a vial, you create a partial vacuum inside
Unlike oral supplements, B12 injections deliver the vitamin directly into the bloodstream , bypassing digestive absorption issues that can limit effectiveness
It is not approved by the FDA or any other regulatory agency for medical or diagnostic use
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This concentration works well for those wanting to dose in 100mcg increments, such as 300mcg (0.15ml) or 400mcg (0.2ml)
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