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Standard technique involves using 29 to 31 gauge insulin syringes with 1/2 inch needles for subcutaneous administration
Injectable B12 is often preferred because it bypasses the digestive system and delivers the vitamin directly into the body
Following standardized preparation procedures helps improve the reliability and reproducibility of laboratory research
The 50-unit mark sits at the halfway point
Having the vitamin be administered into the bloodstream directly ensures that patients are able to absorb 100% of the amount administered
It can reduce the intestinal absorption of vitamin B12, requiring higher doses
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