is b12 spray as good as injections vs injection Should I get B12 injection or use oral spray? : r/B12_Deficiency Vitamin B12 shots: Uses, benefits,

In this article, we look at how alcohol can affect your operation, the benefits of cutting down, and how to prepare for surgery

The following data were collected: publication year, country and continent, study setting (e.g., hospital, private practice, academic clinic), sample size, age range, mean age, study design, population characteristics, intervention details, outcomes, and effect measures (e.g., serum B12 levels)

doi:10.1080/10408398.2018.1427552 [79] Hilary J Powers, Riboflavin (vitamin B-2) and health, The American Journal of Clinical Nutrition , Volume 77, Issue 6, June 2003, Pages 13521360

Some patients start with weekly injections for 46 weeks, then transition to every 24 weeks for maintenance