will an insulin needle work for im b12 injections Dr. prescribed injections. Pharmacy only gave me vials. Where do you get your needles and syringes? What size?? Where do I inject? : r/B12_Deficiency How Needle Gauge Affects Injection
How Needle Gauge Affects Injection Comfort & Efficacy Can Vitamin B12 shots be taken subcutaneously like insulin? For subcutaneous injections, using shorter needles (4 5mm) is the safest choice to ensure medication stays in the fatty layer and avoids muscle injury. A 4mm needle is ideal, minimizing pain while keeping What Size Needle for B12 Injection?
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