effects of b12 injection How Quickly Does Shot Work? Does It Help to Lose Weight? Understanding the B12 Vitamin Shot:

Adult Dosing Dosage may vary based on different medical indications: For the initial treatment of vitamin B12 deficiency, the usual dose is 1000mcg SC/IM, given once a day for 1 week, followed by 1 dose a week for 1 month

They correspond to two different documented protocols and per-dose amounts (150 mcg vs 2.5 mg)

Simple & Seamless Order your healing medicines from the comfort of your own home

If you experience side effects, your doctor might change how you get the shots or where you get them

Characterization of a cDNA clone for research-subject NAD(+)-specific isocitrate dehydrogenase alpha-subunit and structural comparison with its isoenzymes from different species

The right choice depends on deficiency cause, route preference, tolerability, availability, and monitoring needs