How to Give a B12 Injection: Step By Step Instructions Does size matter? Historically, a bigger needle gauge was considered better to prevent damage to red blood cells. However, our recent guidelines recommend using smaller gauge needles (2325 G) for all Vitamin B12 Injections Hebe Beauty Bar Red Deer, AB Best Needle For B12 Injections (Size & Gauge) PA Relief
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what needle size for b12 injection How to self-inject intramuscular vitamin B12 - Overview