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The single study showing decreased b12 levels involved a specific high-risk population
B12 can be injected just under the skin (often in the abdomen) or into the muscle (usually the thigh)
Table of Contents: What are B-12 injections, and how do they work
Having an MTHFR variant does not mean you are broken
Only a well-trained administrator can perform this to avoid potential damage to the sciatic nerve
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