monthly b12 injection Vitamin B12: How Frequently Should I Get It? Vitamin B12 shots: Uses, benefits,

Your healthcare professional may prescribe B12 injections if you are suffering from low levels of the vitamin in your system

It is not suitable for human consumption, therapeutic applications, or diagnostic use

2018, doi:10.1155/2018/1968450 Tabrizi R, Ostadmohammadi V, Lankarani KB, et al

Tablets just as effective Over-the-counter B12 tablets are a fraction of the cost of shots, and have been shown in a British-Canadian study to work just as well for most people, although some people with digestive conditions may have difficulty absorbing the vitamin in tablet form

Ethics declarations Competing interests SJW is the founder of Ridgeline Therapeutics, HN is a paid employee of Ridgeline Therapeutics and, since manuscript submission, ADW has also become a paid employee of Ridgeline Therapeutics