what happens after taking vitamin b12 injection Injections Are Vitamin B12 Shots Right
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But this market (now a multi-billion dollar industry) has some unforeseen consequences to nutrition - were talking about vitamin B12 specifically

[DOI] [PMC free article] [PubMed] [Google Scholar] 193.Zhang, L

Vitamin B12 is required to properly function and develop the brain, nerves, blood cells, and many other body parts

This makes it especially important for individuals following vegetarian or vegan diets to ensure adequate vitamin C intake, as they may have a higher risk of iron deficiency
