can you do your own b12 injections How to give yourself a shot The Truth About B12 Injections:

This method ensures quick absorption and long-lasting benefitsfar more effective than traditional oral supplements, especially for those with nutrient deficiencies or increased wellness needs

There is no advantage to using the light sensitive forms of cobalamin, such as methylB 12 or adenosylB 12 , instead of the stable cyano or hydroxy forms, which are readily converted in the body into the coenzyme forms, methylB 12 and adenosylB 12

Huang Y, Roth B, L W, Du J

Who Needs B12 Supplementation Some people are more likely to need vitamin B12 supplements

doi: 10.1017/S0007114522002343 19

Vitamin B6: Necessary for proper vitamin B12 absorption