how is vitamin b12 injection made Injections: What You Need To Know How to self-inject intramuscular vitamin

It contains no preservative, so once you pierce the stopper, it's a race against contamination

But for those who are generally healthy and looking for an extra boost, oral supplements can be just as effective when taken consistently

Kannt, A., Rajagopal, S., et al

Additionally, if you're interested in supplementing with B6 as well as B12, try the Everlywell vitamin B6 supplements and B12 vitamin supplements (both of which are vegan and non-GMO)

PMID: 30800297

There is research suggesting that methylcobalamin may be particularly supportive in neurological conditions compared to cyanocobalamin, likely because of its direct involvement in methylation and nerve tissue repair