can you use insulin needles for b12 injections Dr. prescribed injections. Pharmacy only gave me vials. Where do get your and syringes? What size?? Where do I inject? : r/B12_Deficiency Vitamin B12 Injection Needle Size

Treatment is intended for short-term weight management support

This article was reviewed and minor updates were made in February 2026.

Once samples were ready, RT-qPCR was performed to detect the mRNA expression levels of miR-27a-3p and miR-27b-3p using 2 l of cDNA that was added to 10 l of PCR mix prepared by adding 0.5 l of TaqMan MicroRNA assay 20X, 5 l PCR master mix (TaqMan Fast Advanced Master mix, #4444964, Applied Biosystem), and 4.5 l of sterile water

Although its less common, people with vitamin B12 deficiency caused by a prolonged poor diet may be advised to stop taking the tablets once their vitamin B12 levels have returned to normal and their diet has improved

Many patients receive maintenance injections every 2 to 3 months

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