doses of vitamin b12 injections Recommendations: Updated B12 Shots at Home: How,

Serum B12 alone has recognised limitations and does not always accurately reflect tissue-level B12 status

You can mention it to your doctor

( 8 ) Injection vs

In humans, cyanocobalamin must undergo intracellular enzymatic conversion to the active coenzyme formsmethylcobalamin and adenosylcobalaminwhich, depending on the pH environment, can interconvert with hydroxocobalamin ( Despite extensive biochemical knowledge of cobalamin metabolism and its physiological importance, the optimal supplementation route for maintaining or restoring adequate vitamin B12 levels remains debated

Doing this can also reduce skin irritation