This page covers both, with the oral route first
Wipe the tops with the alcohol swabs and let dry
Insert the needle about 2 inches, or two to three finger widths, below this point, targeting the thickest part of the muscle
However, some people cannot take vitamin B12 injections safely, including those with Lebers disease or similar eye concerns, kidney disease, liver disease, iron or folic acid deficiency, an active infection, or those taking medications that may interact with vitamin B12
To learn more about treatment options, you can check out available B12 vitamin shots at TrimBody M.D
For example, athletes with high metabolic demands, vegans who consume no dietary B12, or individuals with chronic malabsorption issues like Crohns disease may find they feel their best with a bi-weekly (every two weeks) injection