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While elevated MMA blood concentration is considered the specific indicator of deficiency (19), other clinical assays are often used as biomarkers of vitamin B 12 status sometimes in combination
The first step is confirming that B12 is genuinely needed
The goal is not to worry you
Frequently Asked Questions about Vitamin B12 Injections Do B12 injections hurt
We offer high-quality pharmaceutical-grade B12 injections, personalized dosing based on your bloodwork, and ongoing monitoring so you can feel your best without the worry of supplies, sharps disposal, or technique
PMID 16284435
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