best injection site for b12 How to Use These 4 IM Spots Safely Where to Inject Vitamin B12

Where can I find more information about vitamin B12

Kannt A, Rajagopal S, Kadnur SV, Suresh J, Bhamidipati RK, Swaminathan S, Hallur MS, Kristam R, Pieper MP

Certain medications, including some medications used to treat gastrointestinal disorders, may make it more difficult for some people to absorb B12 from food sources

Nerve damage happens when the provider places the needle incorrectly or at an inappropriate angle, causing numbness, tingling, or pain

The Neelakantan 2018 paper showed strong oral absorption in cell uptake (Caco-2) assays, which is why most research community use is by mouth instead of by injection