where should you inject b12 vitamin Store A Retired RN About Vitamin B12 Injections Safe B12 Injection Guide at

A lack of vitamin B12 can often lead to fatigue and weakness due to megaloblastic anemia a blood disorder that causes unusually large red blood cells (megaloblasts) and a lower red blood cell count, which results in a lower supply of oxygen to the body

[1] In practical terms, consuming just 23 grams of beef liver would theoretically meet the entire daily RNI

Oral B12 has only about 1 to 2 percent absorption, while injections are absorbed at 55 to 97 percent

No human approval: there are no official human guidelines, because the compound is unapproved

I have been to several other Doctors over the years & have never had such a positive experience with results & a pain-free outcome

It typically resolves as your body adapts