where do b12 injections go How to Give at Home to Yourself · PA Relief Instruction Guide for Intramuscular (IM)
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Consultation fees, administration fees, and lab fees must also be considered
Some of our patients may benefit from B12 injections due to conditions such as pernicious anemia, where the body struggles to produce enough healthy red blood cells because it cannot absorb B12 from food

M., Kim, N., Yoon, H., Nam, R

Vitamin B12 status in women of reproductive age, NHANES 20132014. The FASEB Journal 31 (2017): lb439-lb439

Due to declining soil quality from intensive over-farming making the soil deficient in cobalt, and because our vegetables are super-washed (because we would rather not eat soil/manure) vegans don't get enough B12 without supplementation and fortification
doi: 10.1096/fj.03-0782fje
