who shouldn t have b12 injections Are Shots Safe? Royal Palm Beach Medical Group What You Need to Know
Description
If you have pernicious anemia, malabsorption, or prior gastric surgery, your gut cant absorb pills well enough

During pregnancy, vitamin B 12 is concentrated in the fetus and stored in the liver

Hgb 9.8 g/dL (down from 11.2 six months ago), ferritin 11 ng/mL, TSAT 9%
doi: 10.1007/s00439-008-0608-3
Physicians advice before use is recommended